12919250

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1667}}^1$

素因数の和:1715

約数の個数: 32

約数和(自身を含む): 24979968

約数和(自身を除く): 12060718

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 155, 250, 310, 775, 1550, 1667, 3334, 3875, 7750, 8335, 16670, 41675, 51677, 83350, 103354, 208375, 258385, 416750, 516770, 1291925, 2583850, 6459625, 12919250]

約数ペア:

[(1, 12919250), (2, 6459625), (5, 2583850), (10, 1291925), (25, 516770), (31, 416750), (50, 258385), (62, 208375), (125, 103354), (155, 83350), (250, 51677), (310, 41675), (775, 16670), (1550, 8335), (1667, 7750), (3334, 3875)]