23679080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 55890000

約数和(自身を除く): 32210920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 137, 145, 149, 232, 274, 290, 298, 548, 580, 596, 685, 745, 1096, 1160, 1192, 1370, 1490, 2740, 2980, 3973, 4321, 5480, 5960, 7946, 8642, 15892, 17284, 19865, 20413, 21605, 31784, 34568, 39730, 40826, 43210, 79460, 81652, 86420, 102065, 158920, 163304, 172840, 204130, 408260, 591977, 816520, 1183954, 2367908, 2959885, 4735816, 5919770, 11839540, 23679080]

約数ペア:

[(1, 23679080), (2, 11839540), (4, 5919770), (5, 4735816), (8, 2959885), (10, 2367908), (20, 1183954), (29, 816520), (40, 591977), (58, 408260), (116, 204130), (137, 172840), (145, 163304), (149, 158920), (232, 102065), (274, 86420), (290, 81652), (298, 79460), (548, 43210), (580, 40826), (596, 39730), (685, 34568), (745, 31784), (1096, 21605), (1160, 20413), (1192, 19865), (1370, 17284), (1490, 15892), (2740, 8642), (2980, 7946), (3973, 5960), (4321, 5480)]