39981136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1151}}^1$

素因数の和:1339

約数の個数: 40

約数和(自身を含む): 83994624

約数和(自身を除く): 44013488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 167, 208, 334, 668, 1151, 1336, 2171, 2302, 2672, 4342, 4604, 8684, 9208, 14963, 17368, 18416, 29926, 34736, 59852, 119704, 192217, 239408, 384434, 768868, 1537736, 2498821, 3075472, 4997642, 9995284, 19990568, 39981136]

約数ペア:

[(1, 39981136), (2, 19990568), (4, 9995284), (8, 4997642), (13, 3075472), (16, 2498821), (26, 1537736), (52, 768868), (104, 384434), (167, 239408), (208, 192217), (334, 119704), (668, 59852), (1151, 34736), (1336, 29926), (2171, 18416), (2302, 17368), (2672, 14963), (4342, 9208), (4604, 8684)]