66460280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53597}}^1$

素因数の和:53639

約数の個数: 32

約数和(自身を含む): 154362240

約数和(自身を除く): 87901960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 53597, 107194, 214388, 267985, 428776, 535970, 1071940, 1661507, 2143880, 3323014, 6646028, 8307535, 13292056, 16615070, 33230140, 66460280]

約数ペア:

[(1, 66460280), (2, 33230140), (4, 16615070), (5, 13292056), (8, 8307535), (10, 6646028), (20, 3323014), (31, 2143880), (40, 1661507), (62, 1071940), (124, 535970), (155, 428776), (248, 267985), (310, 214388), (620, 107194), (1240, 53597)]