64288531520

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2543059}}^1$

素因数の和:2543155

約数の個数: 56

約数和(自身を含む): 155024937600

約数和(自身を除く): 90736406080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 3160, 5056, 6320, 12640, 25280, 2543059, 5086118, 10172236, 12715295, 20344472, 25430590, 40688944, 50861180, 81377888, 101722360, 162755776, 200901661, 203444720, 401803322, 406889440, 803606644, 813778880, 1004508305, 1607213288, 2009016610, 3214426576, 4018033220, 6428853152, 8036066440, 12857706304, 16072132880, 32144265760, 64288531520]

約数ペア:

[(1, 64288531520), (2, 32144265760), (4, 16072132880), (5, 12857706304), (8, 8036066440), (10, 6428853152), (16, 4018033220), (20, 3214426576), (32, 2009016610), (40, 1607213288), (64, 1004508305), (79, 813778880), (80, 803606644), (158, 406889440), (160, 401803322), (316, 203444720), (320, 200901661), (395, 162755776), (632, 101722360), (790, 81377888), (1264, 50861180), (1580, 40688944), (2528, 25430590), (3160, 20344472), (5056, 12715295), (6320, 10172236), (12640, 5086118), (25280, 2543059)]