103669120

素因数分解:

$2^7\times 5^1\times {\mathrm{161983}}^1$

素因数の和:162002

約数の個数: 32

約数和(自身を含む): 247835520

約数和(自身を除く): 144166400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 161983, 323966, 647932, 809915, 1295864, 1619830, 2591728, 3239660, 5183456, 6479320, 10366912, 12958640, 20733824, 25917280, 51834560, 103669120]

約数ペア:

[(1, 103669120), (2, 51834560), (4, 25917280), (5, 20733824), (8, 12958640), (10, 10366912), (16, 6479320), (20, 5183456), (32, 3239660), (40, 2591728), (64, 1619830), (80, 1295864), (128, 809915), (160, 647932), (320, 323966), (640, 161983)]