64901240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{95443}}^1$

素因数の和:95471

約数の個数: 32

約数和(自身を含む): 154619280

約数和(自身を除く): 89718040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 95443, 190886, 381772, 477215, 763544, 954430, 1622531, 1908860, 3245062, 3817720, 6490124, 8112655, 12980248, 16225310, 32450620, 64901240]

約数ペア:

[(1, 64901240), (2, 32450620), (4, 16225310), (5, 12980248), (8, 8112655), (10, 6490124), (17, 3817720), (20, 3245062), (34, 1908860), (40, 1622531), (68, 954430), (85, 763544), (136, 477215), (170, 381772), (340, 190886), (680, 95443)]