90946120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{37273}}^1$

素因数の和:37345

約数の個数: 32

約数和(自身を含む): 207988920

約数和(自身を除く): 117042800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 37273, 74546, 149092, 186365, 298184, 372730, 745460, 1490920, 2273653, 4547306, 9094612, 11368265, 18189224, 22736530, 45473060, 90946120]

約数ペア:

[(1, 90946120), (2, 45473060), (4, 22736530), (5, 18189224), (8, 11368265), (10, 9094612), (20, 4547306), (40, 2273653), (61, 1490920), (122, 745460), (244, 372730), (305, 298184), (488, 186365), (610, 149092), (1220, 74546), (2440, 37273)]