8020940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 18434304

約数和(自身を除く): 10413364

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 761, 1054, 1522, 2108, 2635, 3044, 3805, 5270, 7610, 10540, 12937, 15220, 23591, 25874, 47182, 51748, 64685, 94364, 117955, 129370, 235910, 258740, 401047, 471820, 802094, 1604188, 2005235, 4010470, 8020940]

約数ペア:

[(1, 8020940), (2, 4010470), (4, 2005235), (5, 1604188), (10, 802094), (17, 471820), (20, 401047), (31, 258740), (34, 235910), (62, 129370), (68, 117955), (85, 94364), (124, 64685), (155, 51748), (170, 47182), (310, 25874), (340, 23591), (527, 15220), (620, 12937), (761, 10540), (1054, 7610), (1522, 5270), (2108, 3805), (2635, 3044)]