2495840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 6214320

約数和(自身を除く): 3718480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 821, 1520, 1642, 3040, 3284, 4105, 6568, 8210, 13136, 15599, 16420, 26272, 31198, 32840, 62396, 65680, 77995, 124792, 131360, 155990, 249584, 311980, 499168, 623960, 1247920, 2495840]

約数ペア:

[(1, 2495840), (2, 1247920), (4, 623960), (5, 499168), (8, 311980), (10, 249584), (16, 155990), (19, 131360), (20, 124792), (32, 77995), (38, 65680), (40, 62396), (76, 32840), (80, 31198), (95, 26272), (152, 16420), (160, 15599), (190, 13136), (304, 8210), (380, 6568), (608, 4105), (760, 3284), (821, 3040), (1520, 1642)]