5548400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 15821904

約数和(自身を除く): 10273504

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 80, 88, 97, 100, 104, 110, 130, 143, 176, 194, 200, 208, 220, 260, 275, 286, 325, 388, 400, 440, 485, 520, 550, 572, 650, 715, 776, 880, 970, 1040, 1067, 1100, 1144, 1261, 1300, 1430, 1552, 1940, 2134, 2200, 2288, 2425, 2522, 2600, 2860, 3575, 3880, 4268, 4400, 4850, 5044, 5200, 5335, 5720, 6305, 7150, 7760, 8536, 9700, 10088, 10670, 11440, 12610, 13871, 14300, 17072, 19400, 20176, 21340, 25220, 26675, 27742, 28600, 31525, 38800, 42680, 50440, 53350, 55484, 57200, 63050, 69355, 85360, 100880, 106700, 110968, 126100, 138710, 213400, 221936, 252200, 277420, 346775, 426800, 504400, 554840, 693550, 1109680, 1387100, 2774200, 5548400]

約数ペア:

[(1, 5548400), (2, 2774200), (4, 1387100), (5, 1109680), (8, 693550), (10, 554840), (11, 504400), (13, 426800), (16, 346775), (20, 277420), (22, 252200), (25, 221936), (26, 213400), (40, 138710), (44, 126100), (50, 110968), (52, 106700), (55, 100880), (65, 85360), (80, 69355), (88, 63050), (97, 57200), (100, 55484), (104, 53350), (110, 50440), (130, 42680), (143, 38800), (176, 31525), (194, 28600), (200, 27742), (208, 26675), (220, 25220), (260, 21340), (275, 20176), (286, 19400), (325, 17072), (388, 14300), (400, 13871), (440, 12610), (485, 11440), (520, 10670), (550, 10088), (572, 9700), (650, 8536), (715, 7760), (776, 7150), (880, 6305), (970, 5720), (1040, 5335), (1067, 5200), (1100, 5044), (1144, 4850), (1261, 4400), (1300, 4268), (1430, 3880), (1552, 3575), (1940, 2860), (2134, 2600), (2200, 2522), (2288, 2425)]