1391105840

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{4621}}^1$

素因数の和:4758

約数の個数: 80

約数和(自身を含む): 3342482496

約数和(自身を除く): 1951376656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 71, 80, 106, 142, 212, 265, 284, 355, 424, 530, 568, 710, 848, 1060, 1136, 1420, 2120, 2840, 3763, 4240, 4621, 5680, 7526, 9242, 15052, 18484, 18815, 23105, 30104, 36968, 37630, 46210, 60208, 73936, 75260, 92420, 150520, 184840, 244913, 301040, 328091, 369680, 489826, 656182, 979652, 1224565, 1312364, 1640455, 1959304, 2449130, 2624728, 3280910, 3918608, 4898260, 5249456, 6561820, 9796520, 13123640, 17388823, 19593040, 26247280, 34777646, 69555292, 86944115, 139110584, 173888230, 278221168, 347776460, 695552920, 1391105840]

約数ペア:

[(1, 1391105840), (2, 695552920), (4, 347776460), (5, 278221168), (8, 173888230), (10, 139110584), (16, 86944115), (20, 69555292), (40, 34777646), (53, 26247280), (71, 19593040), (80, 17388823), (106, 13123640), (142, 9796520), (212, 6561820), (265, 5249456), (284, 4898260), (355, 3918608), (424, 3280910), (530, 2624728), (568, 2449130), (710, 1959304), (848, 1640455), (1060, 1312364), (1136, 1224565), (1420, 979652), (2120, 656182), (2840, 489826), (3763, 369680), (4240, 328091), (4621, 301040), (5680, 244913), (7526, 184840), (9242, 150520), (15052, 92420), (18484, 75260), (18815, 73936), (23105, 60208), (30104, 46210), (36968, 37630)]