80204100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{2647}}^1$

素因数の和:2765

約数の個数: 72

約数和(自身を含む): 234443328

約数和(自身を除く): 154239228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 101, 150, 202, 300, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 2525, 2647, 3030, 5050, 5294, 6060, 7575, 7941, 10100, 10588, 13235, 15150, 15882, 26470, 30300, 31764, 39705, 52940, 66175, 79410, 132350, 158820, 198525, 264700, 267347, 397050, 534694, 794100, 802041, 1069388, 1336735, 1604082, 2673470, 3208164, 4010205, 5346940, 6683675, 8020410, 13367350, 16040820, 20051025, 26734700, 40102050, 80204100]

約数ペア:

[(1, 80204100), (2, 40102050), (3, 26734700), (4, 20051025), (5, 16040820), (6, 13367350), (10, 8020410), (12, 6683675), (15, 5346940), (20, 4010205), (25, 3208164), (30, 2673470), (50, 1604082), (60, 1336735), (75, 1069388), (100, 802041), (101, 794100), (150, 534694), (202, 397050), (300, 267347), (303, 264700), (404, 198525), (505, 158820), (606, 132350), (1010, 79410), (1212, 66175), (1515, 52940), (2020, 39705), (2525, 31764), (2647, 30300), (3030, 26470), (5050, 15882), (5294, 15150), (6060, 13235), (7575, 10588), (7941, 10100)]