39888930020

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{641}}^1\times {\mathrm{4931}}^1$

素因数の和:6212

約数の個数: 48

約数和(自身を含む): 84047435136

約数和(自身を除く): 44158505116

約数列:

[1, 2, 4, 5, 10, 20, 631, 641, 1262, 1282, 2524, 2564, 3155, 3205, 4931, 6310, 6410, 9862, 12620, 12820, 19724, 24655, 49310, 98620, 404471, 808942, 1617884, 2022355, 3111461, 3160771, 4044710, 6222922, 6321542, 8089420, 12445844, 12643084, 15557305, 15803855, 31114610, 31607710, 62229220, 63215420, 1994446501, 3988893002, 7977786004, 9972232505, 19944465010, 39888930020]

約数ペア:

[(1, 39888930020), (2, 19944465010), (4, 9972232505), (5, 7977786004), (10, 3988893002), (20, 1994446501), (631, 63215420), (641, 62229220), (1262, 31607710), (1282, 31114610), (2524, 15803855), (2564, 15557305), (3155, 12643084), (3205, 12445844), (4931, 8089420), (6310, 6321542), (6410, 6222922), (9862, 4044710), (12620, 3160771), (12820, 3111461), (19724, 2022355), (24655, 1617884), (49310, 808942), (98620, 404471)]