87633880

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 203731200

約数和(自身を除く): 116097320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 71, 118, 142, 236, 284, 295, 355, 472, 523, 568, 590, 710, 1046, 1180, 1420, 2092, 2360, 2615, 2840, 4184, 4189, 5230, 8378, 10460, 16756, 20920, 20945, 30857, 33512, 37133, 41890, 61714, 74266, 83780, 123428, 148532, 154285, 167560, 185665, 246856, 297064, 308570, 371330, 617140, 742660, 1234280, 1485320, 2190847, 4381694, 8763388, 10954235, 17526776, 21908470, 43816940, 87633880]

約数ペア:

[(1, 87633880), (2, 43816940), (4, 21908470), (5, 17526776), (8, 10954235), (10, 8763388), (20, 4381694), (40, 2190847), (59, 1485320), (71, 1234280), (118, 742660), (142, 617140), (236, 371330), (284, 308570), (295, 297064), (355, 246856), (472, 185665), (523, 167560), (568, 154285), (590, 148532), (710, 123428), (1046, 83780), (1180, 74266), (1420, 61714), (2092, 41890), (2360, 37133), (2615, 33512), (2840, 30857), (4184, 20945), (4189, 20920), (5230, 16756), (8378, 10460)]