40638830

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{389}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 75928320

約数和(自身を除く): 35289490

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 337, 389, 674, 778, 1685, 1945, 3370, 3890, 10447, 12059, 20894, 24118, 52235, 60295, 104470, 120590, 131093, 262186, 655465, 1310930, 4063883, 8127766, 20319415, 40638830]

約数ペア:

[(1, 40638830), (2, 20319415), (5, 8127766), (10, 4063883), (31, 1310930), (62, 655465), (155, 262186), (310, 131093), (337, 120590), (389, 104470), (674, 60295), (778, 52235), (1685, 24118), (1945, 20894), (3370, 12059), (3890, 10447)]