7990840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 21450240

約数和(自身を除く): 13459400

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 121, 127, 130, 143, 220, 242, 254, 260, 286, 440, 484, 508, 520, 572, 605, 635, 715, 968, 1016, 1144, 1210, 1270, 1397, 1430, 1573, 1651, 2420, 2540, 2794, 2860, 3146, 3302, 4840, 5080, 5588, 5720, 6292, 6604, 6985, 7865, 8255, 11176, 12584, 13208, 13970, 15367, 15730, 16510, 18161, 27940, 30734, 31460, 33020, 36322, 55880, 61468, 62920, 66040, 72644, 76835, 90805, 122936, 145288, 153670, 181610, 199771, 307340, 363220, 399542, 614680, 726440, 799084, 998855, 1598168, 1997710, 3995420, 7990840]

約数ペア:

[(1, 7990840), (2, 3995420), (4, 1997710), (5, 1598168), (8, 998855), (10, 799084), (11, 726440), (13, 614680), (20, 399542), (22, 363220), (26, 307340), (40, 199771), (44, 181610), (52, 153670), (55, 145288), (65, 122936), (88, 90805), (104, 76835), (110, 72644), (121, 66040), (127, 62920), (130, 61468), (143, 55880), (220, 36322), (242, 33020), (254, 31460), (260, 30734), (286, 27940), (440, 18161), (484, 16510), (508, 15730), (520, 15367), (572, 13970), (605, 13208), (635, 12584), (715, 11176), (968, 8255), (1016, 7865), (1144, 6985), (1210, 6604), (1270, 6292), (1397, 5720), (1430, 5588), (1573, 5080), (1651, 4840), (2420, 3302), (2540, 3146), (2794, 2860)]