128120200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{49277}}^1$

素因数の和:49306

約数の個数: 48

約数和(自身を含む): 320799780

約数和(自身を除く): 192679580

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, 49277, 98554, 197108, 246385, 394216, 492770, 640601, 985540, 1231925, 1281202, 1971080, 2463850, 2562404, 3203005, 4927700, 5124808, 6406010, 9855400, 12812020, 16015025, 25624040, 32030050, 64060100, 128120200]

約数ペア:

[(1, 128120200), (2, 64060100), (4, 32030050), (5, 25624040), (8, 16015025), (10, 12812020), (13, 9855400), (20, 6406010), (25, 5124808), (26, 4927700), (40, 3203005), (50, 2562404), (52, 2463850), (65, 1971080), (100, 1281202), (104, 1231925), (130, 985540), (200, 640601), (260, 492770), (325, 394216), (520, 246385), (650, 197108), (1300, 98554), (2600, 49277)]