61954820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{8581}}^1$

素因数の和:8628

約数の個数: 36

約数和(自身を含む): 137329164

約数和(自身を除く): 75374344

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 8581, 17162, 34324, 42905, 85810, 163039, 171620, 326078, 652156, 815195, 1630390, 3097741, 3260780, 6195482, 12390964, 15488705, 30977410, 61954820]

約数ペア:

[(1, 61954820), (2, 30977410), (4, 15488705), (5, 12390964), (10, 6195482), (19, 3260780), (20, 3097741), (38, 1630390), (76, 815195), (95, 652156), (190, 326078), (361, 171620), (380, 163039), (722, 85810), (1444, 42905), (1805, 34324), (3610, 17162), (7220, 8581)]