23128225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 33033600

約数和(自身を除く): 9905375

約数列:

[1, 5, 19, 23, 25, 29, 73, 95, 115, 145, 365, 437, 475, 551, 575, 667, 725, 1387, 1679, 1825, 2117, 2185, 2755, 3335, 6935, 8395, 10585, 10925, 12673, 13775, 16675, 31901, 34675, 40223, 41975, 48691, 52925, 63365, 159505, 201115, 243455, 316825, 797525, 925129, 1005575, 1217275, 4625645, 23128225]

約数ペア:

[(1, 23128225), (5, 4625645), (19, 1217275), (23, 1005575), (25, 925129), (29, 797525), (73, 316825), (95, 243455), (115, 201115), (145, 159505), (365, 63365), (437, 52925), (475, 48691), (551, 41975), (575, 40223), (667, 34675), (725, 31901), (1387, 16675), (1679, 13775), (1825, 12673), (2117, 10925), (2185, 10585), (2755, 8395), (3335, 6935)]