127886540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{39229}}^1$

素因数の和:39401

約数の個数: 24

約数和(自身を含む): 270216240

約数和(自身を除く): 142329700

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 39229, 78458, 156916, 196145, 392290, 784580, 6394327, 12788654, 25577308, 31971635, 63943270, 127886540]

約数ペア:

[(1, 127886540), (2, 63943270), (4, 31971635), (5, 25577308), (10, 12788654), (20, 6394327), (163, 784580), (326, 392290), (652, 196145), (815, 156916), (1630, 78458), (3260, 39229)]