40802060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1129}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 93021600

約数和(自身を除く): 52219540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1129, 1390, 1807, 2258, 2780, 3614, 4516, 5645, 7228, 9035, 11290, 14677, 18070, 22580, 29354, 36140, 58708, 73385, 146770, 156931, 293540, 313862, 627724, 784655, 1569310, 2040103, 3138620, 4080206, 8160412, 10200515, 20401030, 40802060]

約数ペア:

[(1, 40802060), (2, 20401030), (4, 10200515), (5, 8160412), (10, 4080206), (13, 3138620), (20, 2040103), (26, 1569310), (52, 784655), (65, 627724), (130, 313862), (139, 293540), (260, 156931), (278, 146770), (556, 73385), (695, 58708), (1129, 36140), (1390, 29354), (1807, 22580), (2258, 18070), (2780, 14677), (3614, 11290), (4516, 9035), (5645, 7228)]