42173420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51431}}^1$

素因数の和:51481

約数の個数: 24

約数和(自身を含む): 90726048

約数和(自身を除く): 48552628

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 51431, 102862, 205724, 257155, 514310, 1028620, 2108671, 4217342, 8434684, 10543355, 21086710, 42173420]

約数ペア:

[(1, 42173420), (2, 21086710), (4, 10543355), (5, 8434684), (10, 4217342), (20, 2108671), (41, 1028620), (82, 514310), (164, 257155), (205, 205724), (410, 102862), (820, 51431)]