84905560

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{3221}}^1$

素因数の和:3891

約数の個数: 32

約数和(自身を含む): 191386800

約数和(自身を除く): 106481240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3221, 3295, 5272, 6442, 6590, 12884, 13180, 16105, 25768, 26360, 32210, 64420, 128840, 2122639, 4245278, 8490556, 10613195, 16981112, 21226390, 42452780, 84905560]

約数ペア:

[(1, 84905560), (2, 42452780), (4, 21226390), (5, 16981112), (8, 10613195), (10, 8490556), (20, 4245278), (40, 2122639), (659, 128840), (1318, 64420), (2636, 32210), (3221, 26360), (3295, 25768), (5272, 16105), (6442, 13180), (6590, 12884)]