1640781664

素因数分解:

$2^5\times {\mathrm{4003}}^1\times {\mathrm{12809}}^1$

素因数の和:16822

約数の個数: 24

約数和(自身を含む): 3231348120

約数和(自身を除く): 1590566456

約数列:

[1, 2, 4, 8, 16, 32, 4003, 8006, 12809, 16012, 25618, 32024, 51236, 64048, 102472, 128096, 204944, 409888, 51274427, 102548854, 205097708, 410195416, 820390832, 1640781664]

約数ペア:

[(1, 1640781664), (2, 820390832), (4, 410195416), (8, 205097708), (16, 102548854), (32, 51274427), (4003, 409888), (8006, 204944), (12809, 128096), (16012, 102472), (25618, 64048), (32024, 51236)]