51279800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 141996120

約数和(自身を除く): 90716320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 100, 104, 110, 121, 130, 143, 163, 200, 220, 242, 260, 275, 286, 325, 326, 440, 484, 520, 550, 572, 605, 650, 652, 715, 815, 968, 1100, 1144, 1210, 1300, 1304, 1430, 1573, 1630, 1793, 2119, 2200, 2420, 2600, 2860, 3025, 3146, 3260, 3575, 3586, 4075, 4238, 4840, 5720, 6050, 6292, 6520, 7150, 7172, 7865, 8150, 8476, 8965, 10595, 12100, 12584, 14300, 14344, 15730, 16300, 16952, 17930, 19723, 21190, 23309, 24200, 28600, 31460, 32600, 35860, 39325, 39446, 42380, 44825, 46618, 52975, 62920, 71720, 78650, 78892, 84760, 89650, 93236, 98615, 105950, 116545, 157300, 157784, 179300, 186472, 197230, 211900, 233090, 256399, 314600, 358600, 394460, 423800, 466180, 493075, 512798, 582725, 788920, 932360, 986150, 1025596, 1165450, 1281995, 1972300, 2051192, 2330900, 2563990, 3944600, 4661800, 5127980, 6409975, 10255960, 12819950, 25639900, 51279800]

約数ペア:

[(1, 51279800), (2, 25639900), (4, 12819950), (5, 10255960), (8, 6409975), (10, 5127980), (11, 4661800), (13, 3944600), (20, 2563990), (22, 2330900), (25, 2051192), (26, 1972300), (40, 1281995), (44, 1165450), (50, 1025596), (52, 986150), (55, 932360), (65, 788920), (88, 582725), (100, 512798), (104, 493075), (110, 466180), (121, 423800), (130, 394460), (143, 358600), (163, 314600), (200, 256399), (220, 233090), (242, 211900), (260, 197230), (275, 186472), (286, 179300), (325, 157784), (326, 157300), (440, 116545), (484, 105950), (520, 98615), (550, 93236), (572, 89650), (605, 84760), (650, 78892), (652, 78650), (715, 71720), (815, 62920), (968, 52975), (1100, 46618), (1144, 44825), (1210, 42380), (1300, 39446), (1304, 39325), (1430, 35860), (1573, 32600), (1630, 31460), (1793, 28600), (2119, 24200), (2200, 23309), (2420, 21190), (2600, 19723), (2860, 17930), (3025, 16952), (3146, 16300), (3260, 15730), (3575, 14344), (3586, 14300), (4075, 12584), (4238, 12100), (4840, 10595), (5720, 8965), (6050, 8476), (6292, 8150), (6520, 7865), (7150, 7172)]