91437040

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2879}}^1$

素因数の和:3289

約数の個数: 40

約数和(自身を含む): 213200640

約数和(自身を除く): 121763600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1985, 2879, 3176, 3970, 5758, 6352, 7940, 11516, 14395, 15880, 23032, 28790, 31760, 46064, 57580, 115160, 230320, 1142963, 2285926, 4571852, 5714815, 9143704, 11429630, 18287408, 22859260, 45718520, 91437040]

約数ペア:

[(1, 91437040), (2, 45718520), (4, 22859260), (5, 18287408), (8, 11429630), (10, 9143704), (16, 5714815), (20, 4571852), (40, 2285926), (80, 1142963), (397, 230320), (794, 115160), (1588, 57580), (1985, 46064), (2879, 31760), (3176, 28790), (3970, 23032), (5758, 15880), (6352, 14395), (7940, 11516)]