2080697840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2000671}}^1$

素因数の和:2000697

約数の個数: 40

約数和(自身を含む): 5209749888

約数和(自身を除く): 3129052048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2000671, 4001342, 8002684, 10003355, 16005368, 20006710, 26008723, 32010736, 40013420, 52017446, 80026840, 104034892, 130043615, 160053680, 208069784, 260087230, 416139568, 520174460, 1040348920, 2080697840]

約数ペア:

[(1, 2080697840), (2, 1040348920), (4, 520174460), (5, 416139568), (8, 260087230), (10, 208069784), (13, 160053680), (16, 130043615), (20, 104034892), (26, 80026840), (40, 52017446), (52, 40013420), (65, 32010736), (80, 26008723), (104, 20006710), (130, 16005368), (208, 10003355), (260, 8002684), (520, 4001342), (1040, 2000671)]