38989340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5171}}^1$

素因数の和:5222

約数の個数: 48

約数和(自身を含む): 91234080

約数和(自身を除く): 52244740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 5171, 7540, 10342, 20684, 25855, 51710, 67223, 103420, 134446, 149959, 268892, 299918, 336115, 599836, 672230, 749795, 1344460, 1499590, 1949467, 2999180, 3898934, 7797868, 9747335, 19494670, 38989340]

約数ペア:

[(1, 38989340), (2, 19494670), (4, 9747335), (5, 7797868), (10, 3898934), (13, 2999180), (20, 1949467), (26, 1499590), (29, 1344460), (52, 749795), (58, 672230), (65, 599836), (116, 336115), (130, 299918), (145, 268892), (260, 149959), (290, 134446), (377, 103420), (580, 67223), (754, 51710), (1508, 25855), (1885, 20684), (3770, 10342), (5171, 7540)]