25678840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3433}}^1$

素因数の和:3472

約数の個数: 64

約数和(自身を含む): 66756960

約数和(自身を除く): 41078120

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3433, 3740, 6866, 7480, 13732, 17165, 27464, 34330, 37763, 58361, 68660, 75526, 116722, 137320, 151052, 188815, 233444, 291805, 302104, 377630, 466888, 583610, 641971, 755260, 1167220, 1283942, 1510520, 2334440, 2567884, 3209855, 5135768, 6419710, 12839420, 25678840]

約数ペア:

[(1, 25678840), (2, 12839420), (4, 6419710), (5, 5135768), (8, 3209855), (10, 2567884), (11, 2334440), (17, 1510520), (20, 1283942), (22, 1167220), (34, 755260), (40, 641971), (44, 583610), (55, 466888), (68, 377630), (85, 302104), (88, 291805), (110, 233444), (136, 188815), (170, 151052), (187, 137320), (220, 116722), (340, 75526), (374, 68660), (440, 58361), (680, 37763), (748, 34330), (935, 27464), (1496, 17165), (1870, 13732), (3433, 7480), (3740, 6866)]