38492840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 89890560

約数和(自身を除く): 51397720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 67, 106, 134, 212, 265, 268, 271, 335, 424, 530, 536, 542, 670, 1060, 1084, 1340, 1355, 2120, 2168, 2680, 2710, 3551, 5420, 7102, 10840, 14204, 14363, 17755, 18157, 28408, 28726, 35510, 36314, 57452, 71020, 71815, 72628, 90785, 114904, 142040, 143630, 145256, 181570, 287260, 363140, 574520, 726280, 962321, 1924642, 3849284, 4811605, 7698568, 9623210, 19246420, 38492840]

約数ペア:

[(1, 38492840), (2, 19246420), (4, 9623210), (5, 7698568), (8, 4811605), (10, 3849284), (20, 1924642), (40, 962321), (53, 726280), (67, 574520), (106, 363140), (134, 287260), (212, 181570), (265, 145256), (268, 143630), (271, 142040), (335, 114904), (424, 90785), (530, 72628), (536, 71815), (542, 71020), (670, 57452), (1060, 36314), (1084, 35510), (1340, 28726), (1355, 28408), (2120, 18157), (2168, 17755), (2680, 14363), (2710, 14204), (3551, 10840), (5420, 7102)]