20198227600

素因数分解:

$2^4\times 5^2\times {\mathrm{487}}^1\times {\mathrm{103687}}^1$

素因数の和:104192

約数の個数: 60

約数和(自身を含む): 48626353984

約数和(自身を除く): 28428126384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 487, 974, 1948, 2435, 3896, 4870, 7792, 9740, 12175, 19480, 24350, 38960, 48700, 97400, 103687, 194800, 207374, 414748, 518435, 829496, 1036870, 1658992, 2073740, 2592175, 4147480, 5184350, 8294960, 10368700, 20737400, 41474800, 50495569, 100991138, 201982276, 252477845, 403964552, 504955690, 807929104, 1009911380, 1262389225, 2019822760, 2524778450, 4039645520, 5049556900, 10099113800, 20198227600]

約数ペア:

[(1, 20198227600), (2, 10099113800), (4, 5049556900), (5, 4039645520), (8, 2524778450), (10, 2019822760), (16, 1262389225), (20, 1009911380), (25, 807929104), (40, 504955690), (50, 403964552), (80, 252477845), (100, 201982276), (200, 100991138), (400, 50495569), (487, 41474800), (974, 20737400), (1948, 10368700), (2435, 8294960), (3896, 5184350), (4870, 4147480), (7792, 2592175), (9740, 2073740), (12175, 1658992), (19480, 1036870), (24350, 829496), (38960, 518435), (48700, 414748), (97400, 207374), (103687, 194800)]