180519880

素因数分解:

$2^3\times 5^1\times {\mathrm{1093}}^1\times {\mathrm{4129}}^1$

素因数の和:5233

約数の個数: 32

約数和(自身を含む): 406639800

約数和(自身を除く): 226119920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1093, 2186, 4129, 4372, 5465, 8258, 8744, 10930, 16516, 20645, 21860, 33032, 41290, 43720, 82580, 165160, 4512997, 9025994, 18051988, 22564985, 36103976, 45129970, 90259940, 180519880]

約数ペア:

[(1, 180519880), (2, 90259940), (4, 45129970), (5, 36103976), (8, 22564985), (10, 18051988), (20, 9025994), (40, 4512997), (1093, 165160), (2186, 82580), (4129, 43720), (4372, 41290), (5465, 33032), (8258, 21860), (8744, 20645), (10930, 16516)]