27948440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 68765760

約数和(自身を除く): 40817320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 757, 923, 1420, 1514, 1846, 2840, 3028, 3692, 3785, 4615, 6056, 7384, 7570, 9230, 9841, 15140, 18460, 19682, 30280, 36920, 39364, 49205, 53747, 78728, 98410, 107494, 196820, 214988, 268735, 393640, 429976, 537470, 698711, 1074940, 1397422, 2149880, 2794844, 3493555, 5589688, 6987110, 13974220, 27948440]

約数ペア:

[(1, 27948440), (2, 13974220), (4, 6987110), (5, 5589688), (8, 3493555), (10, 2794844), (13, 2149880), (20, 1397422), (26, 1074940), (40, 698711), (52, 537470), (65, 429976), (71, 393640), (104, 268735), (130, 214988), (142, 196820), (260, 107494), (284, 98410), (355, 78728), (520, 53747), (568, 49205), (710, 39364), (757, 36920), (923, 30280), (1420, 19682), (1514, 18460), (1846, 15140), (2840, 9841), (3028, 9230), (3692, 7570), (3785, 7384), (4615, 6056)]