64918360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{953}}^1$

素因数の和:1108

約数の個数: 64

約数和(自身を含む): 158669280

約数和(自身を除く): 93750920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 260, 262, 520, 524, 655, 953, 1048, 1310, 1703, 1906, 2620, 3406, 3812, 4765, 5240, 6812, 7624, 8515, 9530, 12389, 13624, 17030, 19060, 24778, 34060, 38120, 49556, 61945, 68120, 99112, 123890, 124843, 247780, 249686, 495560, 499372, 624215, 998744, 1248430, 1622959, 2496860, 3245918, 4993720, 6491836, 8114795, 12983672, 16229590, 32459180, 64918360]

約数ペア:

[(1, 64918360), (2, 32459180), (4, 16229590), (5, 12983672), (8, 8114795), (10, 6491836), (13, 4993720), (20, 3245918), (26, 2496860), (40, 1622959), (52, 1248430), (65, 998744), (104, 624215), (130, 499372), (131, 495560), (260, 249686), (262, 247780), (520, 124843), (524, 123890), (655, 99112), (953, 68120), (1048, 61945), (1310, 49556), (1703, 38120), (1906, 34060), (2620, 24778), (3406, 19060), (3812, 17030), (4765, 13624), (5240, 12389), (6812, 9530), (7624, 8515)]