15705950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 31987536

約数和(自身を除く): 16281586

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 73, 130, 146, 325, 331, 365, 650, 662, 730, 949, 1655, 1825, 1898, 3310, 3650, 4303, 4745, 8275, 8606, 9490, 16550, 21515, 23725, 24163, 43030, 47450, 48326, 107575, 120815, 215150, 241630, 314119, 604075, 628238, 1208150, 1570595, 3141190, 7852975, 15705950]

約数ペア:

[(1, 15705950), (2, 7852975), (5, 3141190), (10, 1570595), (13, 1208150), (25, 628238), (26, 604075), (50, 314119), (65, 241630), (73, 215150), (130, 120815), (146, 107575), (325, 48326), (331, 47450), (365, 43030), (650, 24163), (662, 23725), (730, 21515), (949, 16550), (1655, 9490), (1825, 8606), (1898, 8275), (3310, 4745), (3650, 4303)]