79871740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3167}}^1$

素因数の和:3286

約数の個数: 48

約数和(自身を含む): 182552832

約数和(自身を除く): 102681092

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2522, 3167, 5044, 6305, 6334, 12610, 12668, 15835, 25220, 31670, 41171, 63340, 82342, 164684, 205855, 307199, 411710, 614398, 823420, 1228796, 1535995, 3071990, 3993587, 6143980, 7987174, 15974348, 19967935, 39935870, 79871740]

約数ペア:

[(1, 79871740), (2, 39935870), (4, 19967935), (5, 15974348), (10, 7987174), (13, 6143980), (20, 3993587), (26, 3071990), (52, 1535995), (65, 1228796), (97, 823420), (130, 614398), (194, 411710), (260, 307199), (388, 205855), (485, 164684), (970, 82342), (1261, 63340), (1940, 41171), (2522, 31670), (3167, 25220), (5044, 15835), (6305, 12668), (6334, 12610)]