1665394550840

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2797}}^1\times {\mathrm{117209}}^1$

素因数の和:120144

約数の個数: 64

約数和(自身を含む): 3778025241600

約数和(自身を除く): 2112630690760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 2797, 5080, 5594, 11188, 13985, 22376, 27970, 55940, 111880, 117209, 234418, 355219, 468836, 586045, 710438, 937672, 1172090, 1420876, 1776095, 2344180, 2841752, 3552190, 4688360, 7104380, 14208760, 14885543, 29771086, 59542172, 74427715, 119084344, 148855430, 297710860, 327833573, 595421720, 655667146, 1311334292, 1639167865, 2622668584, 3278335730, 6556671460, 13113342920, 41634863771, 83269727542, 166539455084, 208174318855, 333078910168, 416348637710, 832697275420, 1665394550840]

約数ペア:

[(1, 1665394550840), (2, 832697275420), (4, 416348637710), (5, 333078910168), (8, 208174318855), (10, 166539455084), (20, 83269727542), (40, 41634863771), (127, 13113342920), (254, 6556671460), (508, 3278335730), (635, 2622668584), (1016, 1639167865), (1270, 1311334292), (2540, 655667146), (2797, 595421720), (5080, 327833573), (5594, 297710860), (11188, 148855430), (13985, 119084344), (22376, 74427715), (27970, 59542172), (55940, 29771086), (111880, 14885543), (117209, 14208760), (234418, 7104380), (355219, 4688360), (468836, 3552190), (586045, 2841752), (710438, 2344180), (937672, 1776095), (1172090, 1420876)]