31878640

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4801}}^1$

素因数の和:4897

約数の個数: 40

約数和(自身を含む): 75026448

約数和(自身を除く): 43147808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 4801, 6640, 9602, 19204, 24005, 38408, 48010, 76816, 96020, 192040, 384080, 398483, 796966, 1593932, 1992415, 3187864, 3984830, 6375728, 7969660, 15939320, 31878640]

約数ペア:

[(1, 31878640), (2, 15939320), (4, 7969660), (5, 6375728), (8, 3984830), (10, 3187864), (16, 1992415), (20, 1593932), (40, 796966), (80, 398483), (83, 384080), (166, 192040), (332, 96020), (415, 76816), (664, 48010), (830, 38408), (1328, 24005), (1660, 19204), (3320, 9602), (4801, 6640)]