39201940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1453}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 87937920

約数和(自身を除く): 48735980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 1453, 2698, 2906, 5396, 5812, 6745, 7265, 13490, 14530, 26980, 27607, 29060, 55214, 103163, 110428, 138035, 206326, 276070, 412652, 515815, 552140, 1031630, 1960097, 2063260, 3920194, 7840388, 9800485, 19600970, 39201940]

約数ペア:

[(1, 39201940), (2, 19600970), (4, 9800485), (5, 7840388), (10, 3920194), (19, 2063260), (20, 1960097), (38, 1031630), (71, 552140), (76, 515815), (95, 412652), (142, 276070), (190, 206326), (284, 138035), (355, 110428), (380, 103163), (710, 55214), (1349, 29060), (1420, 27607), (1453, 26980), (2698, 14530), (2906, 13490), (5396, 7265), (5812, 6745)]