65904760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53149}}^1$

素因数の和:53191

約数の個数: 32

約数和(自身を含む): 153072000

約数和(自身を除く): 87167240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 53149, 106298, 212596, 265745, 425192, 531490, 1062980, 1647619, 2125960, 3295238, 6590476, 8238095, 13180952, 16476190, 32952380, 65904760]

約数ペア:

[(1, 65904760), (2, 32952380), (4, 16476190), (5, 13180952), (8, 8238095), (10, 6590476), (20, 3295238), (31, 2125960), (40, 1647619), (62, 1062980), (124, 531490), (155, 425192), (248, 265745), (310, 212596), (620, 106298), (1240, 53149)]