39944890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{761}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 74889360

約数和(自身を除く): 34944470

約数列:

[1, 2, 5, 10, 29, 58, 145, 181, 290, 362, 761, 905, 1522, 1810, 3805, 5249, 7610, 10498, 22069, 26245, 44138, 52490, 110345, 137741, 220690, 275482, 688705, 1377410, 3994489, 7988978, 19972445, 39944890]

約数ペア:

[(1, 39944890), (2, 19972445), (5, 7988978), (10, 3994489), (29, 1377410), (58, 688705), (145, 275482), (181, 220690), (290, 137741), (362, 110345), (761, 52490), (905, 44138), (1522, 26245), (1810, 22069), (3805, 10498), (5249, 7610)]