70912840

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4421}}^1$

素因数の和:4833

約数の個数: 32

約数和(自身を含む): 159987960

約数和(自身を除く): 89075120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 4421, 8020, 8842, 16040, 17684, 22105, 35368, 44210, 88420, 176840, 1772821, 3545642, 7091284, 8864105, 14182568, 17728210, 35456420, 70912840]

約数ペア:

[(1, 70912840), (2, 35456420), (4, 17728210), (5, 14182568), (8, 8864105), (10, 7091284), (20, 3545642), (40, 1772821), (401, 176840), (802, 88420), (1604, 44210), (2005, 35368), (3208, 22105), (4010, 17684), (4421, 16040), (8020, 8842)]