54778750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{3371}}^1$

素因数の和:3406

約数の個数: 40

約数和(自身を含む): 110608344

約数和(自身を除く): 55829594

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 3371, 6742, 8125, 16250, 16855, 33710, 43823, 84275, 87646, 168550, 219115, 421375, 438230, 842750, 1095575, 2106875, 2191150, 4213750, 5477875, 10955750, 27389375, 54778750]

約数ペア:

[(1, 54778750), (2, 27389375), (5, 10955750), (10, 5477875), (13, 4213750), (25, 2191150), (26, 2106875), (50, 1095575), (65, 842750), (125, 438230), (130, 421375), (250, 219115), (325, 168550), (625, 87646), (650, 84275), (1250, 43823), (1625, 33710), (3250, 16855), (3371, 16250), (6742, 8125)]