84157720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{29633}}^1$

素因数の和:29715

約数の個数: 32

約数和(自身を含む): 192028320

約数和(自身を除く): 107870600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 29633, 59266, 118532, 148165, 237064, 296330, 592660, 1185320, 2103943, 4207886, 8415772, 10519715, 16831544, 21039430, 42078860, 84157720]

約数ペア:

[(1, 84157720), (2, 42078860), (4, 21039430), (5, 16831544), (8, 10519715), (10, 8415772), (20, 4207886), (40, 2103943), (71, 1185320), (142, 592660), (284, 296330), (355, 237064), (568, 148165), (710, 118532), (1420, 59266), (2840, 29633)]