20158077640

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{883}}^1\times {\mathrm{3299}}^1$

素因数の和:4366

約数の個数: 64

約数和(自身を含む): 45683352000

約数和(自身を除く): 25525274360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 883, 1384, 1730, 1766, 3299, 3460, 3532, 4415, 6598, 6920, 7064, 8830, 13196, 16495, 17660, 26392, 32990, 35320, 65980, 131960, 152759, 305518, 570727, 611036, 763795, 1141454, 1222072, 1527590, 2282908, 2853635, 2913017, 3055180, 4565816, 5707270, 5826034, 6110360, 11414540, 11652068, 14565085, 22829080, 23304136, 29130170, 58260340, 116520680, 503951941, 1007903882, 2015807764, 2519759705, 4031615528, 5039519410, 10079038820, 20158077640]

約数ペア:

[(1, 20158077640), (2, 10079038820), (4, 5039519410), (5, 4031615528), (8, 2519759705), (10, 2015807764), (20, 1007903882), (40, 503951941), (173, 116520680), (346, 58260340), (692, 29130170), (865, 23304136), (883, 22829080), (1384, 14565085), (1730, 11652068), (1766, 11414540), (3299, 6110360), (3460, 5826034), (3532, 5707270), (4415, 4565816), (6598, 3055180), (6920, 2913017), (7064, 2853635), (8830, 2282908), (13196, 1527590), (16495, 1222072), (17660, 1141454), (26392, 763795), (32990, 611036), (35320, 570727), (65980, 305518), (131960, 152759)]