25963980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61819}}^1$

素因数の和:61838

約数の個数: 48

約数和(自身を含む): 83086080

約数和(自身を除く): 57122100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 61819, 123638, 185457, 247276, 309095, 370914, 432733, 618190, 741828, 865466, 927285, 1236380, 1298199, 1730932, 1854570, 2163665, 2596398, 3709140, 4327330, 5192796, 6490995, 8654660, 12981990, 25963980]

約数ペア:

[(1, 25963980), (2, 12981990), (3, 8654660), (4, 6490995), (5, 5192796), (6, 4327330), (7, 3709140), (10, 2596398), (12, 2163665), (14, 1854570), (15, 1730932), (20, 1298199), (21, 1236380), (28, 927285), (30, 865466), (35, 741828), (42, 618190), (60, 432733), (70, 370914), (84, 309095), (105, 247276), (140, 185457), (210, 123638), (420, 61819)]