42156280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{33997}}^1$

素因数の和:34039

約数の個数: 32

約数和(自身を含む): 97914240

約数和(自身を除く): 55757960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 33997, 67994, 135988, 169985, 271976, 339970, 679940, 1053907, 1359880, 2107814, 4215628, 5269535, 8431256, 10539070, 21078140, 42156280]

約数ペア:

[(1, 42156280), (2, 21078140), (4, 10539070), (5, 8431256), (8, 5269535), (10, 4215628), (20, 2107814), (31, 1359880), (40, 1053907), (62, 679940), (124, 339970), (155, 271976), (248, 169985), (310, 135988), (620, 67994), (1240, 33997)]