81628300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{62791}}^1$

素因数の和:62818

約数の個数: 36

約数和(自身を含む): 190762096

約数和(自身を除く): 109133796

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 62791, 125582, 251164, 313955, 627910, 816283, 1255820, 1569775, 1632566, 3139550, 3265132, 4081415, 6279100, 8162830, 16325660, 20407075, 40814150, 81628300]

約数ペア:

[(1, 81628300), (2, 40814150), (4, 20407075), (5, 16325660), (10, 8162830), (13, 6279100), (20, 4081415), (25, 3265132), (26, 3139550), (50, 1632566), (52, 1569775), (65, 1255820), (100, 816283), (130, 627910), (260, 313955), (325, 251164), (650, 125582), (1300, 62791)]