13872620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 30185568

約数和(自身を除く): 16312948

約数列:

[1, 2, 4, 5, 10, 20, 61, 83, 122, 137, 166, 244, 274, 305, 332, 415, 548, 610, 685, 830, 1220, 1370, 1660, 2740, 5063, 8357, 10126, 11371, 16714, 20252, 22742, 25315, 33428, 41785, 45484, 50630, 56855, 83570, 101260, 113710, 167140, 227420, 693631, 1387262, 2774524, 3468155, 6936310, 13872620]

約数ペア:

[(1, 13872620), (2, 6936310), (4, 3468155), (5, 2774524), (10, 1387262), (20, 693631), (61, 227420), (83, 167140), (122, 113710), (137, 101260), (166, 83570), (244, 56855), (274, 50630), (305, 45484), (332, 41785), (415, 33428), (548, 25315), (610, 22742), (685, 20252), (830, 16714), (1220, 11371), (1370, 10126), (1660, 8357), (2740, 5063)]