8538020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 18966528

約数和(自身を除く): 10428508

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 293, 310, 470, 586, 620, 940, 1172, 1457, 1465, 2914, 2930, 5828, 5860, 7285, 9083, 13771, 14570, 18166, 27542, 29140, 36332, 45415, 55084, 68855, 90830, 137710, 181660, 275420, 426901, 853802, 1707604, 2134505, 4269010, 8538020]

約数ペア:

[(1, 8538020), (2, 4269010), (4, 2134505), (5, 1707604), (10, 853802), (20, 426901), (31, 275420), (47, 181660), (62, 137710), (94, 90830), (124, 68855), (155, 55084), (188, 45415), (235, 36332), (293, 29140), (310, 27542), (470, 18166), (586, 14570), (620, 13771), (940, 9083), (1172, 7285), (1457, 5860), (1465, 5828), (2914, 2930)]