39163940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4481}}^1$

素因数の和:4532

約数の個数: 48

約数和(自身を含む): 90357120

約数和(自身を除く): 51193180

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 4481, 8740, 8962, 17924, 22405, 44810, 85139, 89620, 103063, 170278, 206126, 340556, 412252, 425695, 515315, 851390, 1030630, 1702780, 1958197, 2061260, 3916394, 7832788, 9790985, 19581970, 39163940]

約数ペア:

[(1, 39163940), (2, 19581970), (4, 9790985), (5, 7832788), (10, 3916394), (19, 2061260), (20, 1958197), (23, 1702780), (38, 1030630), (46, 851390), (76, 515315), (92, 425695), (95, 412252), (115, 340556), (190, 206126), (230, 170278), (380, 103063), (437, 89620), (460, 85139), (874, 44810), (1748, 22405), (2185, 17924), (4370, 8962), (4481, 8740)]