16621240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{24443}}^1$

素因数の和:24471

約数の個数: 32

約数和(自身を含む): 39599280

約数和(自身を除く): 22978040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 24443, 48886, 97772, 122215, 195544, 244430, 415531, 488860, 831062, 977720, 1662124, 2077655, 3324248, 4155310, 8310620, 16621240]

約数ペア:

[(1, 16621240), (2, 8310620), (4, 4155310), (5, 3324248), (8, 2077655), (10, 1662124), (17, 977720), (20, 831062), (34, 488860), (40, 415531), (68, 244430), (85, 195544), (136, 122215), (170, 97772), (340, 48886), (680, 24443)]