23990980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1741}}^1$

素因数の和:1816

約数の個数: 48

約数和(自身を含む): 55311984

約数和(自身を除く): 31321004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 1741, 2756, 3445, 3482, 6890, 6964, 8705, 13780, 17410, 22633, 34820, 45266, 90532, 92273, 113165, 184546, 226330, 369092, 452660, 461365, 922730, 1199549, 1845460, 2399098, 4798196, 5997745, 11995490, 23990980]

約数ペア:

[(1, 23990980), (2, 11995490), (4, 5997745), (5, 4798196), (10, 2399098), (13, 1845460), (20, 1199549), (26, 922730), (52, 461365), (53, 452660), (65, 369092), (106, 226330), (130, 184546), (212, 113165), (260, 92273), (265, 90532), (530, 45266), (689, 34820), (1060, 22633), (1378, 17410), (1741, 13780), (2756, 8705), (3445, 6964), (3482, 6890)]