7645240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11243}}^1$

素因数の和:11271

約数の個数: 32

約数和(自身を含む): 18215280

約数和(自身を除く): 10570040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 11243, 22486, 44972, 56215, 89944, 112430, 191131, 224860, 382262, 449720, 764524, 955655, 1529048, 1911310, 3822620, 7645240]

約数ペア:

[(1, 7645240), (2, 3822620), (4, 1911310), (5, 1529048), (8, 955655), (10, 764524), (17, 449720), (20, 382262), (34, 224860), (40, 191131), (68, 112430), (85, 89944), (136, 56215), (170, 44972), (340, 22486), (680, 11243)]