25801020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{20477}}^1$

素因数の和:20499

約数の個数: 72

約数和(自身を含む): 89447904

約数和(自身を除く): 63646884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 20477, 40954, 61431, 81908, 102385, 122862, 143339, 184293, 204770, 245724, 286678, 307155, 368586, 409540, 430017, 573356, 614310, 716695, 737172, 860034, 921465, 1228620, 1290051, 1433390, 1720068, 1842930, 2150085, 2580102, 2866780, 3685860, 4300170, 5160204, 6450255, 8600340, 12900510, 25801020]

約数ペア:

[(1, 25801020), (2, 12900510), (3, 8600340), (4, 6450255), (5, 5160204), (6, 4300170), (7, 3685860), (9, 2866780), (10, 2580102), (12, 2150085), (14, 1842930), (15, 1720068), (18, 1433390), (20, 1290051), (21, 1228620), (28, 921465), (30, 860034), (35, 737172), (36, 716695), (42, 614310), (45, 573356), (60, 430017), (63, 409540), (70, 368586), (84, 307155), (90, 286678), (105, 245724), (126, 204770), (140, 184293), (180, 143339), (210, 122862), (252, 102385), (315, 81908), (420, 61431), (630, 40954), (1260, 20477)]