25286320

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4001}}^1$

素因数の和:4093

約数の個数: 40

約数和(自身を含む): 59549760

約数和(自身を除く): 34263440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 4001, 6320, 8002, 16004, 20005, 32008, 40010, 64016, 80020, 160040, 316079, 320080, 632158, 1264316, 1580395, 2528632, 3160790, 5057264, 6321580, 12643160, 25286320]

約数ペア:

[(1, 25286320), (2, 12643160), (4, 6321580), (5, 5057264), (8, 3160790), (10, 2528632), (16, 1580395), (20, 1264316), (40, 632158), (79, 320080), (80, 316079), (158, 160040), (316, 80020), (395, 64016), (632, 40010), (790, 32008), (1264, 20005), (1580, 16004), (3160, 8002), (4001, 6320)]