40628320

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{937}}^1$

素因数の和:1223

約数の個数: 48

約数和(自身を含む): 96441408

約数和(自身を除く): 55813088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 937, 1084, 1355, 1874, 2168, 2710, 3748, 4336, 4685, 5420, 7496, 8672, 9370, 10840, 14992, 18740, 21680, 29984, 37480, 43360, 74960, 149920, 253927, 507854, 1015708, 1269635, 2031416, 2539270, 4062832, 5078540, 8125664, 10157080, 20314160, 40628320]

約数ペア:

[(1, 40628320), (2, 20314160), (4, 10157080), (5, 8125664), (8, 5078540), (10, 4062832), (16, 2539270), (20, 2031416), (32, 1269635), (40, 1015708), (80, 507854), (160, 253927), (271, 149920), (542, 74960), (937, 43360), (1084, 37480), (1355, 29984), (1874, 21680), (2168, 18740), (2710, 14992), (3748, 10840), (4336, 9370), (4685, 8672), (5420, 7496)]