87959420

素因数分解:

$2^2\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{3821}}^1$

素因数の和:4981

約数の個数: 24

約数和(自身を含む): 184923648

約数和(自身を除く): 96964228

約数列:

[1, 2, 4, 5, 10, 20, 1151, 2302, 3821, 4604, 5755, 7642, 11510, 15284, 19105, 23020, 38210, 76420, 4397971, 8795942, 17591884, 21989855, 43979710, 87959420]

約数ペア:

[(1, 87959420), (2, 43979710), (4, 21989855), (5, 17591884), (10, 8795942), (20, 4397971), (1151, 76420), (2302, 38210), (3821, 23020), (4604, 19105), (5755, 15284), (7642, 11510)]