40200220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 87056928

約数和(自身を除く): 46856708

約数列:

[1, 2, 4, 5, 10, 20, 61, 83, 122, 166, 244, 305, 332, 397, 415, 610, 794, 830, 1220, 1588, 1660, 1985, 3970, 5063, 7940, 10126, 20252, 24217, 25315, 32951, 48434, 50630, 65902, 96868, 101260, 121085, 131804, 164755, 242170, 329510, 484340, 659020, 2010011, 4020022, 8040044, 10050055, 20100110, 40200220]

約数ペア:

[(1, 40200220), (2, 20100110), (4, 10050055), (5, 8040044), (10, 4020022), (20, 2010011), (61, 659020), (83, 484340), (122, 329510), (166, 242170), (244, 164755), (305, 131804), (332, 121085), (397, 101260), (415, 96868), (610, 65902), (794, 50630), (830, 48434), (1220, 32951), (1588, 25315), (1660, 24217), (1985, 20252), (3970, 10126), (5063, 7940)]