68905000

素因数分解:

$2^3\times 5^4\times {\mathrm{13781}}^1$

素因数の和:13807

約数の個数: 40

約数和(自身を含む): 161456130

約数和(自身を除く): 92551130

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 13781, 27562, 55124, 68905, 110248, 137810, 275620, 344525, 551240, 689050, 1378100, 1722625, 2756200, 3445250, 6890500, 8613125, 13781000, 17226250, 34452500, 68905000]

約数ペア:

[(1, 68905000), (2, 34452500), (4, 17226250), (5, 13781000), (8, 8613125), (10, 6890500), (20, 3445250), (25, 2756200), (40, 1722625), (50, 1378100), (100, 689050), (125, 551240), (200, 344525), (250, 275620), (500, 137810), (625, 110248), (1000, 68905), (1250, 55124), (2500, 27562), (5000, 13781)]