84378220

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{10069}}^1$

素因数の和:10497

約数の個数: 24

約数和(自身を含む): 177634800

約数和(自身を除く): 93256580

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 10069, 20138, 40276, 50345, 100690, 201380, 4218911, 8437822, 16875644, 21094555, 42189110, 84378220]

約数ペア:

[(1, 84378220), (2, 42189110), (4, 21094555), (5, 16875644), (10, 8437822), (20, 4218911), (419, 201380), (838, 100690), (1676, 50345), (2095, 40276), (4190, 20138), (8380, 10069)]