2679561680

素因数分解:

$2^4\times 5^1\times {\mathrm{1601}}^1\times {\mathrm{20921}}^1$

素因数の和:22535

約数の個数: 40

約数和(自身を含む): 6234170184

約数和(自身を除く): 3554608504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1601, 3202, 6404, 8005, 12808, 16010, 20921, 25616, 32020, 41842, 64040, 83684, 104605, 128080, 167368, 209210, 334736, 418420, 836840, 1673680, 33494521, 66989042, 133978084, 167472605, 267956168, 334945210, 535912336, 669890420, 1339780840, 2679561680]

約数ペア:

[(1, 2679561680), (2, 1339780840), (4, 669890420), (5, 535912336), (8, 334945210), (10, 267956168), (16, 167472605), (20, 133978084), (40, 66989042), (80, 33494521), (1601, 1673680), (3202, 836840), (6404, 418420), (8005, 334736), (12808, 209210), (16010, 167368), (20921, 128080), (25616, 104605), (32020, 83684), (41842, 64040)]