13553840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 34209120

約数和(自身を除く): 20655280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 241, 296, 304, 370, 380, 482, 592, 703, 740, 760, 964, 1205, 1406, 1480, 1520, 1928, 2410, 2812, 2960, 3515, 3856, 4579, 4820, 5624, 7030, 8917, 9158, 9640, 11248, 14060, 17834, 18316, 19280, 22895, 28120, 35668, 36632, 44585, 45790, 56240, 71336, 73264, 89170, 91580, 142672, 169423, 178340, 183160, 338846, 356680, 366320, 677692, 713360, 847115, 1355384, 1694230, 2710768, 3388460, 6776920, 13553840]

約数ペア:

[(1, 13553840), (2, 6776920), (4, 3388460), (5, 2710768), (8, 1694230), (10, 1355384), (16, 847115), (19, 713360), (20, 677692), (37, 366320), (38, 356680), (40, 338846), (74, 183160), (76, 178340), (80, 169423), (95, 142672), (148, 91580), (152, 89170), (185, 73264), (190, 71336), (241, 56240), (296, 45790), (304, 44585), (370, 36632), (380, 35668), (482, 28120), (592, 22895), (703, 19280), (740, 18316), (760, 17834), (964, 14060), (1205, 11248), (1406, 9640), (1480, 9158), (1520, 8917), (1928, 7030), (2410, 5624), (2812, 4820), (2960, 4579), (3515, 3856)]