543920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:549

約数の個数: 40

約数和(自身を含む): 1364496

約数和(自身を除く): 820576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 523, 1040, 1046, 2092, 2615, 4184, 5230, 6799, 8368, 10460, 13598, 20920, 27196, 33995, 41840, 54392, 67990, 108784, 135980, 271960, 543920]

約数ペア:

[(1, 543920), (2, 271960), (4, 135980), (5, 108784), (8, 67990), (10, 54392), (13, 41840), (16, 33995), (20, 27196), (26, 20920), (40, 13598), (52, 10460), (65, 8368), (80, 6799), (104, 5230), (130, 4184), (208, 2615), (260, 2092), (520, 1046), (523, 1040)]