40812760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:760

約数の個数: 64

約数和(自身を含む): 97977600

約数和(自身を除く): 57164840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 83, 95, 152, 166, 190, 332, 380, 415, 647, 664, 760, 830, 1294, 1577, 1660, 2588, 3154, 3235, 3320, 5176, 6308, 6470, 7885, 12293, 12616, 12940, 15770, 24586, 25880, 31540, 49172, 53701, 61465, 63080, 98344, 107402, 122930, 214804, 245860, 268505, 429608, 491720, 537010, 1020319, 1074020, 2040638, 2148040, 4081276, 5101595, 8162552, 10203190, 20406380, 40812760]

約数ペア:

[(1, 40812760), (2, 20406380), (4, 10203190), (5, 8162552), (8, 5101595), (10, 4081276), (19, 2148040), (20, 2040638), (38, 1074020), (40, 1020319), (76, 537010), (83, 491720), (95, 429608), (152, 268505), (166, 245860), (190, 214804), (332, 122930), (380, 107402), (415, 98344), (647, 63080), (664, 61465), (760, 53701), (830, 49172), (1294, 31540), (1577, 25880), (1660, 24586), (2588, 15770), (3154, 12940), (3235, 12616), (3320, 12293), (5176, 7885), (6308, 6470)]