13217360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 33747840

約数和(自身を除く): 20530480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 179, 208, 260, 284, 355, 358, 520, 568, 710, 716, 895, 923, 1040, 1136, 1420, 1432, 1790, 1846, 2327, 2840, 2864, 3580, 3692, 4615, 4654, 5680, 7160, 7384, 9230, 9308, 11635, 12709, 14320, 14768, 18460, 18616, 23270, 25418, 36920, 37232, 46540, 50836, 63545, 73840, 93080, 101672, 127090, 165217, 186160, 203344, 254180, 330434, 508360, 660868, 826085, 1016720, 1321736, 1652170, 2643472, 3304340, 6608680, 13217360]

約数ペア:

[(1, 13217360), (2, 6608680), (4, 3304340), (5, 2643472), (8, 1652170), (10, 1321736), (13, 1016720), (16, 826085), (20, 660868), (26, 508360), (40, 330434), (52, 254180), (65, 203344), (71, 186160), (80, 165217), (104, 127090), (130, 101672), (142, 93080), (179, 73840), (208, 63545), (260, 50836), (284, 46540), (355, 37232), (358, 36920), (520, 25418), (568, 23270), (710, 18616), (716, 18460), (895, 14768), (923, 14320), (1040, 12709), (1136, 11635), (1420, 9308), (1432, 9230), (1790, 7384), (1846, 7160), (2327, 5680), (2840, 4654), (2864, 4615), (3580, 3692)]