1013762500

素因数分解:

$2^2\times 5^5\times {\mathrm{81101}}^1$

素因数の和:81130

約数の個数: 36

約数和(自身を含む): 2217490884

約数和(自身を除く): 1203728384

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 3125, 6250, 12500, 81101, 162202, 324404, 405505, 811010, 1622020, 2027525, 4055050, 8110100, 10137625, 20275250, 40550500, 50688125, 101376250, 202752500, 253440625, 506881250, 1013762500]

約数ペア:

[(1, 1013762500), (2, 506881250), (4, 253440625), (5, 202752500), (10, 101376250), (20, 50688125), (25, 40550500), (50, 20275250), (100, 10137625), (125, 8110100), (250, 4055050), (500, 2027525), (625, 1622020), (1250, 811010), (2500, 405505), (3125, 324404), (6250, 162202), (12500, 81101)]