51640940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2393}}^1$

素因数の和:2498

約数の個数: 48

約数和(自身を含む): 118244448

約数和(自身を除く): 66603508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1660, 2158, 2393, 4316, 4786, 5395, 9572, 10790, 11965, 21580, 23930, 31109, 47860, 62218, 124436, 155545, 198619, 311090, 397238, 622180, 794476, 993095, 1986190, 2582047, 3972380, 5164094, 10328188, 12910235, 25820470, 51640940]

約数ペア:

[(1, 51640940), (2, 25820470), (4, 12910235), (5, 10328188), (10, 5164094), (13, 3972380), (20, 2582047), (26, 1986190), (52, 993095), (65, 794476), (83, 622180), (130, 397238), (166, 311090), (260, 198619), (332, 155545), (415, 124436), (830, 62218), (1079, 47860), (1660, 31109), (2158, 23930), (2393, 21580), (4316, 11965), (4786, 10790), (5395, 9572)]