53378980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8263}}^1$

素因数の和:8308

約数の個数: 48

約数和(自身を含む): 124951680

約数和(自身を除く): 71572700

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 8263, 16526, 33052, 41315, 82630, 140471, 156997, 165260, 280942, 313994, 561884, 627988, 702355, 784985, 1404710, 1569970, 2668949, 2809420, 3139940, 5337898, 10675796, 13344745, 26689490, 53378980]

約数ペア:

[(1, 53378980), (2, 26689490), (4, 13344745), (5, 10675796), (10, 5337898), (17, 3139940), (19, 2809420), (20, 2668949), (34, 1569970), (38, 1404710), (68, 784985), (76, 702355), (85, 627988), (95, 561884), (170, 313994), (190, 280942), (323, 165260), (340, 156997), (380, 140471), (646, 82630), (1292, 41315), (1615, 33052), (3230, 16526), (6460, 8263)]