26519020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{809}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 61236000

約数和(自身を除く): 34716980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 745, 809, 1490, 1618, 1639, 2980, 3236, 3278, 4045, 6556, 8090, 8195, 8899, 16180, 16390, 17798, 32780, 35596, 44495, 88990, 120541, 177980, 241082, 482164, 602705, 1205410, 1325951, 2410820, 2651902, 5303804, 6629755, 13259510, 26519020]

約数ペア:

[(1, 26519020), (2, 13259510), (4, 6629755), (5, 5303804), (10, 2651902), (11, 2410820), (20, 1325951), (22, 1205410), (44, 602705), (55, 482164), (110, 241082), (149, 177980), (220, 120541), (298, 88990), (596, 44495), (745, 35596), (809, 32780), (1490, 17798), (1618, 16390), (1639, 16180), (2980, 8899), (3236, 8195), (3278, 8090), (4045, 6556)]