49659740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{491}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 112825440

約数和(自身を除く): 63165700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 389, 491, 778, 982, 1556, 1945, 1964, 2455, 3890, 4910, 5057, 6383, 7780, 9820, 10114, 12766, 20228, 25285, 25532, 31915, 50570, 63830, 101140, 127660, 190999, 381998, 763996, 954995, 1909990, 2482987, 3819980, 4965974, 9931948, 12414935, 24829870, 49659740]

約数ペア:

[(1, 49659740), (2, 24829870), (4, 12414935), (5, 9931948), (10, 4965974), (13, 3819980), (20, 2482987), (26, 1909990), (52, 954995), (65, 763996), (130, 381998), (260, 190999), (389, 127660), (491, 101140), (778, 63830), (982, 50570), (1556, 31915), (1945, 25532), (1964, 25285), (2455, 20228), (3890, 12766), (4910, 10114), (5057, 9820), (6383, 7780)]