16861240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38321}}^1$

素因数の和:38343

約数の個数: 32

約数和(自身を含む): 41387760

約数和(自身を除く): 24526520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 38321, 76642, 153284, 191605, 306568, 383210, 421531, 766420, 843062, 1532840, 1686124, 2107655, 3372248, 4215310, 8430620, 16861240]

約数ペア:

[(1, 16861240), (2, 8430620), (4, 4215310), (5, 3372248), (8, 2107655), (10, 1686124), (11, 1532840), (20, 843062), (22, 766420), (40, 421531), (44, 383210), (55, 306568), (88, 191605), (110, 153284), (220, 76642), (440, 38321)]