25959830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{503}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 50549184

約数和(自身を除く): 24589354

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 397, 503, 794, 1006, 1985, 2515, 3970, 5030, 5161, 6539, 10322, 13078, 25805, 32695, 51610, 65390, 199691, 399382, 998455, 1996910, 2595983, 5191966, 12979915, 25959830]

約数ペア:

[(1, 25959830), (2, 12979915), (5, 5191966), (10, 2595983), (13, 1996910), (26, 998455), (65, 399382), (130, 199691), (397, 65390), (503, 51610), (794, 32695), (1006, 25805), (1985, 13078), (2515, 10322), (3970, 6539), (5030, 5161)]