64762100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1665

約数の個数: 72

約数和(自身を含む): 156323328

約数和(自身を除く): 91561228

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1607, 1612, 2015, 3100, 3214, 4030, 6428, 8035, 8060, 10075, 16070, 20150, 20891, 32140, 40175, 40300, 41782, 49817, 80350, 83564, 99634, 104455, 160700, 199268, 208910, 249085, 417820, 498170, 522275, 647621, 996340, 1044550, 1245425, 1295242, 2089100, 2490850, 2590484, 3238105, 4981700, 6476210, 12952420, 16190525, 32381050, 64762100]

約数ペア:

[(1, 64762100), (2, 32381050), (4, 16190525), (5, 12952420), (10, 6476210), (13, 4981700), (20, 3238105), (25, 2590484), (26, 2490850), (31, 2089100), (50, 1295242), (52, 1245425), (62, 1044550), (65, 996340), (100, 647621), (124, 522275), (130, 498170), (155, 417820), (260, 249085), (310, 208910), (325, 199268), (403, 160700), (620, 104455), (650, 99634), (775, 83564), (806, 80350), (1300, 49817), (1550, 41782), (1607, 40300), (1612, 40175), (2015, 32140), (3100, 20891), (3214, 20150), (4030, 16070), (6428, 10075), (8035, 8060)]