64401740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3697}}^1$

素因数の和:3786

約数の個数: 48

約数和(自身を含む): 147860832

約数和(自身を除く): 83459092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 670, 871, 1340, 1742, 3484, 3697, 4355, 7394, 8710, 14788, 17420, 18485, 36970, 48061, 73940, 96122, 192244, 240305, 247699, 480610, 495398, 961220, 990796, 1238495, 2476990, 3220087, 4953980, 6440174, 12880348, 16100435, 32200870, 64401740]

約数ペア:

[(1, 64401740), (2, 32200870), (4, 16100435), (5, 12880348), (10, 6440174), (13, 4953980), (20, 3220087), (26, 2476990), (52, 1238495), (65, 990796), (67, 961220), (130, 495398), (134, 480610), (260, 247699), (268, 240305), (335, 192244), (670, 96122), (871, 73940), (1340, 48061), (1742, 36970), (3484, 18485), (3697, 17420), (4355, 14788), (7394, 8710)]