79575340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{1811}}^1$

素因数の和:1859

約数の個数: 48

約数和(自身を含む): 181127520

約数和(自身を除く): 101552180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 1811, 2197, 3380, 3622, 4394, 7244, 8788, 9055, 10985, 18110, 21970, 23543, 36220, 43940, 47086, 94172, 117715, 235430, 306059, 470860, 612118, 1224236, 1530295, 3060590, 3978767, 6121180, 7957534, 15915068, 19893835, 39787670, 79575340]

約数ペア:

[(1, 79575340), (2, 39787670), (4, 19893835), (5, 15915068), (10, 7957534), (13, 6121180), (20, 3978767), (26, 3060590), (52, 1530295), (65, 1224236), (130, 612118), (169, 470860), (260, 306059), (338, 235430), (676, 117715), (845, 94172), (1690, 47086), (1811, 43940), (2197, 36220), (3380, 23543), (3622, 21970), (4394, 18110), (7244, 10985), (8788, 9055)]