2631966640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{10009}}^1$

素因数の和:10214

約数の個数: 80

約数和(自身を含む): 6479272800

約数和(自身を除く): 3847306160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 173, 190, 304, 346, 380, 692, 760, 865, 1384, 1520, 1730, 2768, 3287, 3460, 6574, 6920, 10009, 13148, 13840, 16435, 20018, 26296, 32870, 40036, 50045, 52592, 65740, 80072, 100090, 131480, 160144, 190171, 200180, 262960, 380342, 400360, 760684, 800720, 950855, 1521368, 1731557, 1901710, 3042736, 3463114, 3803420, 6926228, 7606840, 8657785, 13852456, 15213680, 17315570, 27704912, 32899583, 34631140, 65799166, 69262280, 131598332, 138524560, 164497915, 263196664, 328995830, 526393328, 657991660, 1315983320, 2631966640]

約数ペア:

[(1, 2631966640), (2, 1315983320), (4, 657991660), (5, 526393328), (8, 328995830), (10, 263196664), (16, 164497915), (19, 138524560), (20, 131598332), (38, 69262280), (40, 65799166), (76, 34631140), (80, 32899583), (95, 27704912), (152, 17315570), (173, 15213680), (190, 13852456), (304, 8657785), (346, 7606840), (380, 6926228), (692, 3803420), (760, 3463114), (865, 3042736), (1384, 1901710), (1520, 1731557), (1730, 1521368), (2768, 950855), (3287, 800720), (3460, 760684), (6574, 400360), (6920, 380342), (10009, 262960), (13148, 200180), (13840, 190171), (16435, 160144), (20018, 131480), (26296, 100090), (32870, 80072), (40036, 65740), (50045, 52592)]