1290617362960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{520410227}}^1$

素因数の和:520410271

約数の個数: 40

約数和(自身を含む): 3097481677056

約数和(自身を除く): 1806864314096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 520410227, 1040820454, 2081640908, 2602051135, 4163281816, 5204102270, 8326563632, 10408204540, 16132717037, 20816409080, 32265434074, 41632818160, 64530868148, 80663585185, 129061736296, 161327170370, 258123472592, 322654340740, 645308681480, 1290617362960]

約数ペア:

[(1, 1290617362960), (2, 645308681480), (4, 322654340740), (5, 258123472592), (8, 161327170370), (10, 129061736296), (16, 80663585185), (20, 64530868148), (31, 41632818160), (40, 32265434074), (62, 20816409080), (80, 16132717037), (124, 10408204540), (155, 8326563632), (248, 5204102270), (310, 4163281816), (496, 2602051135), (620, 2081640908), (1240, 1040820454), (2480, 520410227)]