891861620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{6271}}^1$

素因数の和:6840

約数の個数: 48

約数和(自身を含む): 2020988928

約数和(自身を除く): 1129127308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 547, 1094, 2188, 2735, 5470, 6271, 7111, 10940, 12542, 14222, 25084, 28444, 31355, 35555, 62710, 71110, 81523, 125420, 142220, 163046, 326092, 407615, 815230, 1630460, 3430237, 6860474, 13720948, 17151185, 34302370, 44593081, 68604740, 89186162, 178372324, 222965405, 445930810, 891861620]

約数ペア:

[(1, 891861620), (2, 445930810), (4, 222965405), (5, 178372324), (10, 89186162), (13, 68604740), (20, 44593081), (26, 34302370), (52, 17151185), (65, 13720948), (130, 6860474), (260, 3430237), (547, 1630460), (1094, 815230), (2188, 407615), (2735, 326092), (5470, 163046), (6271, 142220), (7111, 125420), (10940, 81523), (12542, 71110), (14222, 62710), (25084, 35555), (28444, 31355)]