1980256240

素因数分解:

$2^4\times 5^1\times {\mathrm{587}}^1\times {\mathrm{42169}}^1$

素因数の和:42769

約数の個数: 40

約数和(自身を含む): 4612048560

約数和(自身を除く): 2631792320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 587, 1174, 2348, 2935, 4696, 5870, 9392, 11740, 23480, 42169, 46960, 84338, 168676, 210845, 337352, 421690, 674704, 843380, 1686760, 3373520, 24753203, 49506406, 99012812, 123766015, 198025624, 247532030, 396051248, 495064060, 990128120, 1980256240]

約数ペア:

[(1, 1980256240), (2, 990128120), (4, 495064060), (5, 396051248), (8, 247532030), (10, 198025624), (16, 123766015), (20, 99012812), (40, 49506406), (80, 24753203), (587, 3373520), (1174, 1686760), (2348, 843380), (2935, 674704), (4696, 421690), (5870, 337352), (9392, 210845), (11740, 168676), (23480, 84338), (42169, 46960)]