86971940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{7459}}^1$

素因数の和:7532

約数の個数: 48

約数和(自身を含む): 203031360

約数和(自身を除く): 116059420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2332, 2915, 5830, 7459, 11660, 14918, 29836, 37295, 74590, 82049, 149180, 164098, 328196, 395327, 410245, 790654, 820490, 1581308, 1640980, 1976635, 3953270, 4348597, 7906540, 8697194, 17394388, 21742985, 43485970, 86971940]

約数ペア:

[(1, 86971940), (2, 43485970), (4, 21742985), (5, 17394388), (10, 8697194), (11, 7906540), (20, 4348597), (22, 3953270), (44, 1976635), (53, 1640980), (55, 1581308), (106, 820490), (110, 790654), (212, 410245), (220, 395327), (265, 328196), (530, 164098), (583, 149180), (1060, 82049), (1166, 74590), (2332, 37295), (2915, 29836), (5830, 14918), (7459, 11660)]