28674920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42169}}^1$

素因数の和:42197

約数の個数: 32

約数和(自身を含む): 68315400

約数和(自身を除く): 39640480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 42169, 84338, 168676, 210845, 337352, 421690, 716873, 843380, 1433746, 1686760, 2867492, 3584365, 5734984, 7168730, 14337460, 28674920]

約数ペア:

[(1, 28674920), (2, 14337460), (4, 7168730), (5, 5734984), (8, 3584365), (10, 2867492), (17, 1686760), (20, 1433746), (34, 843380), (40, 716873), (68, 421690), (85, 337352), (136, 210845), (170, 168676), (340, 84338), (680, 42169)]