80938370

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 148525056

約数和(自身を除く): 67586686

約数列:

[1, 2, 5, 10, 101, 127, 202, 254, 505, 631, 635, 1010, 1262, 1270, 3155, 6310, 12827, 25654, 63731, 64135, 80137, 127462, 128270, 160274, 318655, 400685, 637310, 801370, 8093837, 16187674, 40469185, 80938370]

約数ペア:

[(1, 80938370), (2, 40469185), (5, 16187674), (10, 8093837), (101, 801370), (127, 637310), (202, 400685), (254, 318655), (505, 160274), (631, 128270), (635, 127462), (1010, 80137), (1262, 64135), (1270, 63731), (3155, 25654), (6310, 12827)]