80256020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3719}}^1$

素因数の和:3824

約数の個数: 48

約数和(自身を含む): 183738240

約数和(自身を除く): 103482220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1660, 2158, 3719, 4316, 5395, 7438, 10790, 14876, 18595, 21580, 37190, 48347, 74380, 96694, 193388, 241735, 308677, 483470, 617354, 966940, 1234708, 1543385, 3086770, 4012801, 6173540, 8025602, 16051204, 20064005, 40128010, 80256020]

約数ペア:

[(1, 80256020), (2, 40128010), (4, 20064005), (5, 16051204), (10, 8025602), (13, 6173540), (20, 4012801), (26, 3086770), (52, 1543385), (65, 1234708), (83, 966940), (130, 617354), (166, 483470), (260, 308677), (332, 241735), (415, 193388), (830, 96694), (1079, 74380), (1660, 48347), (2158, 37190), (3719, 21580), (4316, 18595), (5395, 14876), (7438, 10790)]