201518320

素因数分解:

$2^4\times 5^1\times {\mathrm{919}}^1\times {\mathrm{2741}}^1$

素因数の和:3673

約数の個数: 40

約数和(自身を含む): 469211040

約数和(自身を除く): 267692720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 919, 1838, 2741, 3676, 4595, 5482, 7352, 9190, 10964, 13705, 14704, 18380, 21928, 27410, 36760, 43856, 54820, 73520, 109640, 219280, 2518979, 5037958, 10075916, 12594895, 20151832, 25189790, 40303664, 50379580, 100759160, 201518320]

約数ペア:

[(1, 201518320), (2, 100759160), (4, 50379580), (5, 40303664), (8, 25189790), (10, 20151832), (16, 12594895), (20, 10075916), (40, 5037958), (80, 2518979), (919, 219280), (1838, 109640), (2741, 73520), (3676, 54820), (4595, 43856), (5482, 36760), (7352, 27410), (9190, 21928), (10964, 18380), (13705, 14704)]