13891280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:101

約数の個数: 120

約数和(自身を含む): 37700712

約数和(自身を除く): 23809432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 37, 38, 40, 52, 65, 74, 76, 80, 95, 104, 130, 148, 152, 185, 190, 208, 247, 260, 296, 304, 361, 370, 380, 481, 494, 520, 592, 703, 722, 740, 760, 962, 988, 1040, 1235, 1406, 1444, 1480, 1520, 1805, 1924, 1976, 2405, 2470, 2812, 2888, 2960, 3515, 3610, 3848, 3952, 4693, 4810, 4940, 5624, 5776, 7030, 7220, 7696, 9139, 9386, 9620, 9880, 11248, 13357, 14060, 14440, 18278, 18772, 19240, 19760, 23465, 26714, 28120, 28880, 36556, 37544, 38480, 45695, 46930, 53428, 56240, 66785, 73112, 75088, 91390, 93860, 106856, 133570, 146224, 173641, 182780, 187720, 213712, 267140, 347282, 365560, 375440, 534280, 694564, 731120, 868205, 1068560, 1389128, 1736410, 2778256, 3472820, 6945640, 13891280]

約数ペア:

[(1, 13891280), (2, 6945640), (4, 3472820), (5, 2778256), (8, 1736410), (10, 1389128), (13, 1068560), (16, 868205), (19, 731120), (20, 694564), (26, 534280), (37, 375440), (38, 365560), (40, 347282), (52, 267140), (65, 213712), (74, 187720), (76, 182780), (80, 173641), (95, 146224), (104, 133570), (130, 106856), (148, 93860), (152, 91390), (185, 75088), (190, 73112), (208, 66785), (247, 56240), (260, 53428), (296, 46930), (304, 45695), (361, 38480), (370, 37544), (380, 36556), (481, 28880), (494, 28120), (520, 26714), (592, 23465), (703, 19760), (722, 19240), (740, 18772), (760, 18278), (962, 14440), (988, 14060), (1040, 13357), (1235, 11248), (1406, 9880), (1444, 9620), (1480, 9386), (1520, 9139), (1805, 7696), (1924, 7220), (1976, 7030), (2405, 5776), (2470, 5624), (2812, 4940), (2888, 4810), (2960, 4693), (3515, 3952), (3610, 3848)]