41620000

素因数分解:

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

素因数の和:2111

約数の個数: 60

約数和(自身を含む): 102440646

約数和(自身を除く): 60820646

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2081, 2500, 4000, 4162, 5000, 8324, 10000, 10405, 16648, 20000, 20810, 33296, 41620, 52025, 66592, 83240, 104050, 166480, 208100, 260125, 332960, 416200, 520250, 832400, 1040500, 1300625, 1664800, 2081000, 2601250, 4162000, 5202500, 8324000, 10405000, 20810000, 41620000]

約数ペア:

[(1, 41620000), (2, 20810000), (4, 10405000), (5, 8324000), (8, 5202500), (10, 4162000), (16, 2601250), (20, 2081000), (25, 1664800), (32, 1300625), (40, 1040500), (50, 832400), (80, 520250), (100, 416200), (125, 332960), (160, 260125), (200, 208100), (250, 166480), (400, 104050), (500, 83240), (625, 66592), (800, 52025), (1000, 41620), (1250, 33296), (2000, 20810), (2081, 20000), (2500, 16648), (4000, 10405), (4162, 10000), (5000, 8324)]