164665625

素因数分解:

$5^5\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 224985600

約数和(自身を除く): 60319975

約数列:

[1, 5, 23, 25, 29, 79, 115, 125, 145, 395, 575, 625, 667, 725, 1817, 1975, 2291, 2875, 3125, 3335, 3625, 9085, 9875, 11455, 14375, 16675, 18125, 45425, 49375, 52693, 57275, 71875, 83375, 90625, 227125, 246875, 263465, 286375, 416875, 1135625, 1317325, 1431875, 2084375, 5678125, 6586625, 7159375, 32933125, 164665625]

約数ペア:

[(1, 164665625), (5, 32933125), (23, 7159375), (25, 6586625), (29, 5678125), (79, 2084375), (115, 1431875), (125, 1317325), (145, 1135625), (395, 416875), (575, 286375), (625, 263465), (667, 246875), (725, 227125), (1817, 90625), (1975, 83375), (2291, 71875), (2875, 57275), (3125, 52693), (3335, 49375), (3625, 45425), (9085, 18125), (9875, 16675), (11455, 14375)]