4017910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1048

約数の個数: 32

約数和(自身を含む): 8047872

約数和(自身を除く): 4029962

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 997, 1994, 2015, 4030, 4985, 9970, 12961, 25922, 30907, 61814, 64805, 129610, 154535, 309070, 401791, 803582, 2008955, 4017910]

約数ペア:

[(1, 4017910), (2, 2008955), (5, 803582), (10, 401791), (13, 309070), (26, 154535), (31, 129610), (62, 64805), (65, 61814), (130, 30907), (155, 25922), (310, 12961), (403, 9970), (806, 4985), (997, 4030), (1994, 2015)]