39890728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{3917}}^1$

素因数の和:4009

約数の個数: 32

約数和(自身を含む): 79927200

約数和(自身を除く): 40036472

約数列:

[1, 2, 4, 8, 19, 38, 67, 76, 134, 152, 268, 536, 1273, 2546, 3917, 5092, 7834, 10184, 15668, 31336, 74423, 148846, 262439, 297692, 524878, 595384, 1049756, 2099512, 4986341, 9972682, 19945364, 39890728]

約数ペア:

[(1, 39890728), (2, 19945364), (4, 9972682), (8, 4986341), (19, 2099512), (38, 1049756), (67, 595384), (76, 524878), (134, 297692), (152, 262439), (268, 148846), (536, 74423), (1273, 31336), (2546, 15668), (3917, 10184), (5092, 7834)]