2501840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2843}}^1$

素因数の和:2867

約数の個数: 40

約数和(自身を含む): 6347808

約数和(自身を除く): 3845968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2843, 5686, 11372, 14215, 22744, 28430, 31273, 45488, 56860, 62546, 113720, 125092, 156365, 227440, 250184, 312730, 500368, 625460, 1250920, 2501840]

約数ペア:

[(1, 2501840), (2, 1250920), (4, 625460), (5, 500368), (8, 312730), (10, 250184), (11, 227440), (16, 156365), (20, 125092), (22, 113720), (40, 62546), (44, 56860), (55, 45488), (80, 31273), (88, 28430), (110, 22744), (176, 14215), (220, 11372), (440, 5686), (880, 2843)]