65582980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{761}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 143377920

約数和(自身を除く): 77794940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 761, 1390, 1522, 2780, 3044, 3805, 4309, 7610, 8618, 15220, 17236, 21545, 23591, 43090, 47182, 86180, 94364, 105779, 117955, 211558, 235910, 423116, 471820, 528895, 1057790, 2115580, 3279149, 6558298, 13116596, 16395745, 32791490, 65582980]

約数ペア:

[(1, 65582980), (2, 32791490), (4, 16395745), (5, 13116596), (10, 6558298), (20, 3279149), (31, 2115580), (62, 1057790), (124, 528895), (139, 471820), (155, 423116), (278, 235910), (310, 211558), (556, 117955), (620, 105779), (695, 94364), (761, 86180), (1390, 47182), (1522, 43090), (2780, 23591), (3044, 21545), (3805, 17236), (4309, 15220), (7610, 8618)]