38931860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{653}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 89655552

約数和(自身を除く): 50723692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 271, 542, 653, 1084, 1306, 1355, 2612, 2710, 2981, 3265, 5420, 5962, 6530, 7183, 11924, 13060, 14366, 14905, 28732, 29810, 35915, 59620, 71830, 143660, 176963, 353926, 707852, 884815, 1769630, 1946593, 3539260, 3893186, 7786372, 9732965, 19465930, 38931860]

約数ペア:

[(1, 38931860), (2, 19465930), (4, 9732965), (5, 7786372), (10, 3893186), (11, 3539260), (20, 1946593), (22, 1769630), (44, 884815), (55, 707852), (110, 353926), (220, 176963), (271, 143660), (542, 71830), (653, 59620), (1084, 35915), (1306, 29810), (1355, 28732), (2612, 14905), (2710, 14366), (2981, 13060), (3265, 11924), (5420, 7183), (5962, 6530)]