931269880

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{47417}}^1$

素因数の和:47919

約数の個数: 32

約数和(自身を含む): 2099669040

約数和(自身を除く): 1168399160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 19640, 47417, 94834, 189668, 237085, 379336, 474170, 948340, 1896680, 23281747, 46563494, 93126988, 116408735, 186253976, 232817470, 465634940, 931269880]

約数ペア:

[(1, 931269880), (2, 465634940), (4, 232817470), (5, 186253976), (8, 116408735), (10, 93126988), (20, 46563494), (40, 23281747), (491, 1896680), (982, 948340), (1964, 474170), (2455, 379336), (3928, 237085), (4910, 189668), (9820, 94834), (19640, 47417)]