12976719760

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{44453}}^1$

素因数の和:44596

約数の個数: 80

約数和(自身を含む): 31254718320

約数和(自身を除く): 18277998560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 89, 164, 178, 205, 328, 356, 410, 445, 656, 712, 820, 890, 1424, 1640, 1780, 3280, 3560, 3649, 7120, 7298, 14596, 18245, 29192, 36490, 44453, 58384, 72980, 88906, 145960, 177812, 222265, 291920, 355624, 444530, 711248, 889060, 1778120, 1822573, 3556240, 3645146, 3956317, 7290292, 7912634, 9112865, 14580584, 15825268, 18225730, 19781585, 29161168, 31650536, 36451460, 39563170, 63301072, 72902920, 79126340, 145805840, 158252680, 162208997, 316505360, 324417994, 648835988, 811044985, 1297671976, 1622089970, 2595343952, 3244179940, 6488359880, 12976719760]

約数ペア:

[(1, 12976719760), (2, 6488359880), (4, 3244179940), (5, 2595343952), (8, 1622089970), (10, 1297671976), (16, 811044985), (20, 648835988), (40, 324417994), (41, 316505360), (80, 162208997), (82, 158252680), (89, 145805840), (164, 79126340), (178, 72902920), (205, 63301072), (328, 39563170), (356, 36451460), (410, 31650536), (445, 29161168), (656, 19781585), (712, 18225730), (820, 15825268), (890, 14580584), (1424, 9112865), (1640, 7912634), (1780, 7290292), (3280, 3956317), (3560, 3645146), (3649, 3556240), (7120, 1822573), (7298, 1778120), (14596, 889060), (18245, 711248), (29192, 444530), (36490, 355624), (44453, 291920), (58384, 222265), (72980, 177812), (88906, 145960)]