40340858

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:354

約数の個数: 24

約数和(自身を含む): 63393120

約数和(自身を除く): 23052262

約数列:

[1, 2, 31, 62, 139, 151, 278, 302, 961, 1922, 4309, 4681, 8618, 9362, 20989, 41978, 133579, 145111, 267158, 290222, 650659, 1301318, 20170429, 40340858]

約数ペア:

[(1, 40340858), (2, 20170429), (31, 1301318), (62, 650659), (139, 290222), (151, 267158), (278, 145111), (302, 133579), (961, 41978), (1922, 20989), (4309, 9362), (4681, 8618)]