25798880

素因数分解:

$2^5\times 5^1\times {\mathrm{383}}^1\times {\mathrm{421}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 61254144

約数和(自身を除く): 35455264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 383, 421, 766, 842, 1532, 1684, 1915, 2105, 3064, 3368, 3830, 4210, 6128, 6736, 7660, 8420, 12256, 13472, 15320, 16840, 30640, 33680, 61280, 67360, 161243, 322486, 644972, 806215, 1289944, 1612430, 2579888, 3224860, 5159776, 6449720, 12899440, 25798880]

約数ペア:

[(1, 25798880), (2, 12899440), (4, 6449720), (5, 5159776), (8, 3224860), (10, 2579888), (16, 1612430), (20, 1289944), (32, 806215), (40, 644972), (80, 322486), (160, 161243), (383, 67360), (421, 61280), (766, 33680), (842, 30640), (1532, 16840), (1684, 15320), (1915, 13472), (2105, 12256), (3064, 8420), (3368, 7660), (3830, 6736), (4210, 6128)]