51580280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41597}}^1$

素因数の和:41639

約数の個数: 32

約数和(自身を含む): 119802240

約数和(自身を除く): 68221960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 41597, 83194, 166388, 207985, 332776, 415970, 831940, 1289507, 1663880, 2579014, 5158028, 6447535, 10316056, 12895070, 25790140, 51580280]

約数ペア:

[(1, 51580280), (2, 25790140), (4, 12895070), (5, 10316056), (8, 6447535), (10, 5158028), (20, 2579014), (31, 1663880), (40, 1289507), (62, 831940), (124, 415970), (155, 332776), (248, 207985), (310, 166388), (620, 83194), (1240, 41597)]