38994020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3191}}^1$

素因数の和:3260

約数の個数: 48

約数和(自身を含む): 90091008

約数和(自身を除く): 51096988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 3191, 6110, 6382, 12220, 12764, 15955, 31910, 41483, 63820, 82966, 149977, 165932, 207415, 299954, 414830, 599908, 749885, 829660, 1499770, 1949701, 2999540, 3899402, 7798804, 9748505, 19497010, 38994020]

約数ペア:

[(1, 38994020), (2, 19497010), (4, 9748505), (5, 7798804), (10, 3899402), (13, 2999540), (20, 1949701), (26, 1499770), (47, 829660), (52, 749885), (65, 599908), (94, 414830), (130, 299954), (188, 207415), (235, 165932), (260, 149977), (470, 82966), (611, 63820), (940, 41483), (1222, 31910), (2444, 15955), (3055, 12764), (3191, 12220), (6110, 6382)]