201220640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{66191}}^1$

素因数の和:66225

約数の個数: 48

約数和(自身を含む): 500411520

約数和(自身を除く): 299190880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 66191, 132382, 264764, 330955, 529528, 661910, 1059056, 1257629, 1323820, 2118112, 2515258, 2647640, 5030516, 5295280, 6288145, 10061032, 10590560, 12576290, 20122064, 25152580, 40244128, 50305160, 100610320, 201220640]

約数ペア:

[(1, 201220640), (2, 100610320), (4, 50305160), (5, 40244128), (8, 25152580), (10, 20122064), (16, 12576290), (19, 10590560), (20, 10061032), (32, 6288145), (38, 5295280), (40, 5030516), (76, 2647640), (80, 2515258), (95, 2118112), (152, 1323820), (160, 1257629), (190, 1059056), (304, 661910), (380, 529528), (608, 330955), (760, 264764), (1520, 132382), (3040, 66191)]