1235977840

素因数分解:

$2^4\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{7927}}^1$

素因数の和:9889

約数の個数: 40

約数和(自身を含む): 2875485600

約数和(自身を除く): 1639507760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1949, 3898, 7796, 7927, 9745, 15592, 15854, 19490, 31184, 31708, 38980, 39635, 63416, 77960, 79270, 126832, 155920, 158540, 317080, 634160, 15449723, 30899446, 61798892, 77248615, 123597784, 154497230, 247195568, 308994460, 617988920, 1235977840]

約数ペア:

[(1, 1235977840), (2, 617988920), (4, 308994460), (5, 247195568), (8, 154497230), (10, 123597784), (16, 77248615), (20, 61798892), (40, 30899446), (80, 15449723), (1949, 634160), (3898, 317080), (7796, 158540), (7927, 155920), (9745, 126832), (15592, 79270), (15854, 77960), (19490, 63416), (31184, 39635), (31708, 38980)]