23565980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 28930660

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 410, 580, 820, 991, 1189, 1982, 2378, 3964, 4756, 4955, 5945, 9910, 11890, 19820, 23780, 28739, 40631, 57478, 81262, 114956, 143695, 162524, 203155, 287390, 406310, 574780, 812620, 1178299, 2356598, 4713196, 5891495, 11782990, 23565980]

約数ペア:

[(1, 23565980), (2, 11782990), (4, 5891495), (5, 4713196), (10, 2356598), (20, 1178299), (29, 812620), (41, 574780), (58, 406310), (82, 287390), (116, 203155), (145, 162524), (164, 143695), (205, 114956), (290, 81262), (410, 57478), (580, 40631), (820, 28739), (991, 23780), (1189, 19820), (1982, 11890), (2378, 9910), (3964, 5945), (4756, 4955)]