67572920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{41203}}^1$

素因数の和:41255

約数の個数: 32

約数和(自身を含む): 155751120

約数和(自身を除く): 88178200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 41203, 82406, 164812, 206015, 329624, 412030, 824060, 1648120, 1689323, 3378646, 6757292, 8446615, 13514584, 16893230, 33786460, 67572920]

約数ペア:

[(1, 67572920), (2, 33786460), (4, 16893230), (5, 13514584), (8, 8446615), (10, 6757292), (20, 3378646), (40, 1689323), (41, 1648120), (82, 824060), (164, 412030), (205, 329624), (328, 206015), (410, 164812), (820, 82406), (1640, 41203)]