64988960

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23893}}^1$

素因数の和:23925

約数の個数: 48

約数和(自身を含む): 162574776

約数和(自身を除く): 97585816

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 23893, 47786, 95572, 119465, 191144, 238930, 382288, 406181, 477860, 764576, 812362, 955720, 1624724, 1911440, 2030905, 3249448, 3822880, 4061810, 6498896, 8123620, 12997792, 16247240, 32494480, 64988960]

約数ペア:

[(1, 64988960), (2, 32494480), (4, 16247240), (5, 12997792), (8, 8123620), (10, 6498896), (16, 4061810), (17, 3822880), (20, 3249448), (32, 2030905), (34, 1911440), (40, 1624724), (68, 955720), (80, 812362), (85, 764576), (136, 477860), (160, 406181), (170, 382288), (272, 238930), (340, 191144), (544, 119465), (680, 95572), (1360, 47786), (2720, 23893)]