25217970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 64665216

約数和(自身を除く): 39447246

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 197, 251, 255, 394, 502, 510, 591, 753, 985, 1182, 1255, 1506, 1970, 2510, 2955, 3349, 3765, 4267, 5910, 6698, 7530, 8534, 10047, 12801, 16745, 20094, 21335, 25602, 33490, 42670, 49447, 50235, 64005, 98894, 100470, 128010, 148341, 247235, 296682, 494470, 741705, 840599, 1483410, 1681198, 2521797, 4202995, 5043594, 8405990, 12608985, 25217970]

約数ペア:

[(1, 25217970), (2, 12608985), (3, 8405990), (5, 5043594), (6, 4202995), (10, 2521797), (15, 1681198), (17, 1483410), (30, 840599), (34, 741705), (51, 494470), (85, 296682), (102, 247235), (170, 148341), (197, 128010), (251, 100470), (255, 98894), (394, 64005), (502, 50235), (510, 49447), (591, 42670), (753, 33490), (985, 25602), (1182, 21335), (1255, 20094), (1506, 16745), (1970, 12801), (2510, 10047), (2955, 8534), (3349, 7530), (3765, 6698), (4267, 5910)]