78566540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8167}}^1$

素因数の和:8226

約数の個数: 48

約数和(自身を含む): 182505792

約数和(自身を除く): 103939252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 8167, 9620, 16334, 32668, 40835, 81670, 106171, 163340, 212342, 302179, 424684, 530855, 604358, 1061710, 1208716, 1510895, 2123420, 3021790, 3928327, 6043580, 7856654, 15713308, 19641635, 39283270, 78566540]

約数ペア:

[(1, 78566540), (2, 39283270), (4, 19641635), (5, 15713308), (10, 7856654), (13, 6043580), (20, 3928327), (26, 3021790), (37, 2123420), (52, 1510895), (65, 1208716), (74, 1061710), (130, 604358), (148, 530855), (185, 424684), (260, 302179), (370, 212342), (481, 163340), (740, 106171), (962, 81670), (1924, 40835), (2405, 32668), (4810, 16334), (8167, 9620)]