201007820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{2791}}^1$

素因数の和:3090

約数の個数: 48

約数和(自身を含む): 456391488

約数和(自身を除く): 255383668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 554, 1108, 1385, 2770, 2791, 3601, 5540, 5582, 7202, 11164, 13955, 14404, 18005, 27910, 36010, 36283, 55820, 72020, 72566, 145132, 181415, 362830, 725660, 773107, 1546214, 3092428, 3865535, 7731070, 10050391, 15462140, 20100782, 40201564, 50251955, 100503910, 201007820]

約数ペア:

[(1, 201007820), (2, 100503910), (4, 50251955), (5, 40201564), (10, 20100782), (13, 15462140), (20, 10050391), (26, 7731070), (52, 3865535), (65, 3092428), (130, 1546214), (260, 773107), (277, 725660), (554, 362830), (1108, 181415), (1385, 145132), (2770, 72566), (2791, 72020), (3601, 55820), (5540, 36283), (5582, 36010), (7202, 27910), (11164, 18005), (13955, 14404)]