26012720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:678

約数の個数: 80

約数和(自身を含む): 66210048

約数和(自身を除く): 40197328

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 617, 620, 680, 1054, 1234, 1240, 1360, 2108, 2468, 2480, 2635, 3085, 4216, 4936, 5270, 6170, 8432, 9872, 10489, 10540, 12340, 19127, 20978, 21080, 24680, 38254, 41956, 42160, 49360, 52445, 76508, 83912, 95635, 104890, 153016, 167824, 191270, 209780, 306032, 325159, 382540, 419560, 650318, 765080, 839120, 1300636, 1530160, 1625795, 2601272, 3251590, 5202544, 6503180, 13006360, 26012720]

約数ペア:

[(1, 26012720), (2, 13006360), (4, 6503180), (5, 5202544), (8, 3251590), (10, 2601272), (16, 1625795), (17, 1530160), (20, 1300636), (31, 839120), (34, 765080), (40, 650318), (62, 419560), (68, 382540), (80, 325159), (85, 306032), (124, 209780), (136, 191270), (155, 167824), (170, 153016), (248, 104890), (272, 95635), (310, 83912), (340, 76508), (496, 52445), (527, 49360), (617, 42160), (620, 41956), (680, 38254), (1054, 24680), (1234, 21080), (1240, 20978), (1360, 19127), (2108, 12340), (2468, 10540), (2480, 10489), (2635, 9872), (3085, 8432), (4216, 6170), (4936, 5270)]