25639900

素因数分解:

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

素因数の和:212

約数の個数: 108

約数和(自身を含む): 66264856

約数和(自身を除く): 40624956

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 121, 130, 143, 163, 220, 242, 260, 275, 286, 325, 326, 484, 550, 572, 605, 650, 652, 715, 815, 1100, 1210, 1300, 1430, 1573, 1630, 1793, 2119, 2420, 2860, 3025, 3146, 3260, 3575, 3586, 4075, 4238, 6050, 6292, 7150, 7172, 7865, 8150, 8476, 8965, 10595, 12100, 14300, 15730, 16300, 17930, 19723, 21190, 23309, 31460, 35860, 39325, 39446, 42380, 44825, 46618, 52975, 78650, 78892, 89650, 93236, 98615, 105950, 116545, 157300, 179300, 197230, 211900, 233090, 256399, 394460, 466180, 493075, 512798, 582725, 986150, 1025596, 1165450, 1281995, 1972300, 2330900, 2563990, 5127980, 6409975, 12819950, 25639900]

約数ペア:

[(1, 25639900), (2, 12819950), (4, 6409975), (5, 5127980), (10, 2563990), (11, 2330900), (13, 1972300), (20, 1281995), (22, 1165450), (25, 1025596), (26, 986150), (44, 582725), (50, 512798), (52, 493075), (55, 466180), (65, 394460), (100, 256399), (110, 233090), (121, 211900), (130, 197230), (143, 179300), (163, 157300), (220, 116545), (242, 105950), (260, 98615), (275, 93236), (286, 89650), (325, 78892), (326, 78650), (484, 52975), (550, 46618), (572, 44825), (605, 42380), (650, 39446), (652, 39325), (715, 35860), (815, 31460), (1100, 23309), (1210, 21190), (1300, 19723), (1430, 17930), (1573, 16300), (1630, 15730), (1793, 14300), (2119, 12100), (2420, 10595), (2860, 8965), (3025, 8476), (3146, 8150), (3260, 7865), (3575, 7172), (3586, 7150), (4075, 6292), (4238, 6050)]