25558130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 51188760

約数和(自身を除く): 25630630

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 89, 94, 130, 178, 235, 445, 470, 611, 890, 1157, 1222, 2209, 2314, 3055, 4183, 4418, 5785, 6110, 8366, 11045, 11570, 20915, 22090, 28717, 41830, 54379, 57434, 108758, 143585, 196601, 271895, 287170, 393202, 543790, 983005, 1966010, 2555813, 5111626, 12779065, 25558130]

約数ペア:

[(1, 25558130), (2, 12779065), (5, 5111626), (10, 2555813), (13, 1966010), (26, 983005), (47, 543790), (65, 393202), (89, 287170), (94, 271895), (130, 196601), (178, 143585), (235, 108758), (445, 57434), (470, 54379), (611, 41830), (890, 28717), (1157, 22090), (1222, 20915), (2209, 11570), (2314, 11045), (3055, 8366), (4183, 6110), (4418, 5785)]