38459980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2791}}^1$

素因数の和:2866

約数の個数: 48

約数和(自身を含む): 88651584

約数和(自身を除く): 50191604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 2791, 3445, 5582, 6890, 11164, 13780, 13955, 27910, 36283, 55820, 72566, 145132, 147923, 181415, 295846, 362830, 591692, 725660, 739615, 1479230, 1922999, 2958460, 3845998, 7691996, 9614995, 19229990, 38459980]

約数ペア:

[(1, 38459980), (2, 19229990), (4, 9614995), (5, 7691996), (10, 3845998), (13, 2958460), (20, 1922999), (26, 1479230), (52, 739615), (53, 725660), (65, 591692), (106, 362830), (130, 295846), (212, 181415), (260, 147923), (265, 145132), (530, 72566), (689, 55820), (1060, 36283), (1378, 27910), (2756, 13955), (2791, 13780), (3445, 11164), (5582, 6890)]