425701600

素因数分解:

$2^5\times 5^2\times {\mathrm{401}}^1\times {\mathrm{1327}}^1$

素因数の和:1748

約数の個数: 72

約数和(自身を含む): 1042620768

約数和(自身を除く): 616919168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 401, 800, 802, 1327, 1604, 2005, 2654, 3208, 4010, 5308, 6416, 6635, 8020, 10025, 10616, 12832, 13270, 16040, 20050, 21232, 26540, 32080, 33175, 40100, 42464, 53080, 64160, 66350, 80200, 106160, 132700, 160400, 212320, 265400, 320800, 530800, 532127, 1061600, 1064254, 2128508, 2660635, 4257016, 5321270, 8514032, 10642540, 13303175, 17028064, 21285080, 26606350, 42570160, 53212700, 85140320, 106425400, 212850800, 425701600]

約数ペア:

[(1, 425701600), (2, 212850800), (4, 106425400), (5, 85140320), (8, 53212700), (10, 42570160), (16, 26606350), (20, 21285080), (25, 17028064), (32, 13303175), (40, 10642540), (50, 8514032), (80, 5321270), (100, 4257016), (160, 2660635), (200, 2128508), (400, 1064254), (401, 1061600), (800, 532127), (802, 530800), (1327, 320800), (1604, 265400), (2005, 212320), (2654, 160400), (3208, 132700), (4010, 106160), (5308, 80200), (6416, 66350), (6635, 64160), (8020, 53080), (10025, 42464), (10616, 40100), (12832, 33175), (13270, 32080), (16040, 26540), (20050, 21232)]