2912129560

素因数分解:

$2^3\times 5^1\times {\mathrm{3989}}^1\times {\mathrm{18251}}^1$

素因数の和:22251

約数の個数: 32

約数和(自身を含む): 6554293200

約数和(自身を除く): 3642163640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3989, 7978, 15956, 18251, 19945, 31912, 36502, 39890, 73004, 79780, 91255, 146008, 159560, 182510, 365020, 730040, 72803239, 145606478, 291212956, 364016195, 582425912, 728032390, 1456064780, 2912129560]

約数ペア:

[(1, 2912129560), (2, 1456064780), (4, 728032390), (5, 582425912), (8, 364016195), (10, 291212956), (20, 145606478), (40, 72803239), (3989, 730040), (7978, 365020), (15956, 182510), (18251, 159560), (19945, 146008), (31912, 91255), (36502, 79780), (39890, 73004)]