64851800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{24943}}^1$

素因数の和:24972

約数の個数: 48

約数和(自身を含む): 162385440

約数和(自身を除く): 97533640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 24943, 49886, 99772, 124715, 199544, 249430, 324259, 498860, 623575, 648518, 997720, 1247150, 1297036, 1621295, 2494300, 2594072, 3242590, 4988600, 6485180, 8106475, 12970360, 16212950, 32425900, 64851800]

約数ペア:

[(1, 64851800), (2, 32425900), (4, 16212950), (5, 12970360), (8, 8106475), (10, 6485180), (13, 4988600), (20, 3242590), (25, 2594072), (26, 2494300), (40, 1621295), (50, 1297036), (52, 1247150), (65, 997720), (100, 648518), (104, 623575), (130, 498860), (200, 324259), (260, 249430), (325, 199544), (520, 124715), (650, 99772), (1300, 49886), (2600, 24943)]