68645980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3181}}^1$

素因数の和:3286

約数の個数: 48

約数和(自身を含む): 157165344

約数和(自身を除く): 88519364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1660, 2158, 3181, 4316, 5395, 6362, 10790, 12724, 15905, 21580, 31810, 41353, 63620, 82706, 165412, 206765, 264023, 413530, 528046, 827060, 1056092, 1320115, 2640230, 3432299, 5280460, 6864598, 13729196, 17161495, 34322990, 68645980]

約数ペア:

[(1, 68645980), (2, 34322990), (4, 17161495), (5, 13729196), (10, 6864598), (13, 5280460), (20, 3432299), (26, 2640230), (52, 1320115), (65, 1056092), (83, 827060), (130, 528046), (166, 413530), (260, 264023), (332, 206765), (415, 165412), (830, 82706), (1079, 63620), (1660, 41353), (2158, 31810), (3181, 21580), (4316, 15905), (5395, 12724), (6362, 10790)]