38771980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11471}}^1$

素因数の和:11506

約数の個数: 36

約数和(自身を含む): 88173792

約数和(自身を除く): 49401812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 11471, 22942, 45884, 57355, 114710, 149123, 229420, 298246, 596492, 745615, 1491230, 1938599, 2982460, 3877198, 7754396, 9692995, 19385990, 38771980]

約数ペア:

[(1, 38771980), (2, 19385990), (4, 9692995), (5, 7754396), (10, 3877198), (13, 2982460), (20, 1938599), (26, 1491230), (52, 745615), (65, 596492), (130, 298246), (169, 229420), (260, 149123), (338, 114710), (676, 57355), (845, 45884), (1690, 22942), (3380, 11471)]