10821200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2081}}^1$

素因数の和:2112

約数の個数: 60

約数和(自身を含む): 28011228

約数和(自身を除く): 17190028

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2081, 2600, 4162, 5200, 8324, 10405, 16648, 20810, 27053, 33296, 41620, 52025, 54106, 83240, 104050, 108212, 135265, 166480, 208100, 216424, 270530, 416200, 432848, 541060, 676325, 832400, 1082120, 1352650, 2164240, 2705300, 5410600, 10821200]

約数ペア:

[(1, 10821200), (2, 5410600), (4, 2705300), (5, 2164240), (8, 1352650), (10, 1082120), (13, 832400), (16, 676325), (20, 541060), (25, 432848), (26, 416200), (40, 270530), (50, 216424), (52, 208100), (65, 166480), (80, 135265), (100, 108212), (104, 104050), (130, 83240), (200, 54106), (208, 52025), (260, 41620), (325, 33296), (400, 27053), (520, 20810), (650, 16648), (1040, 10405), (1300, 8324), (2081, 5200), (2600, 4162)]