1966880

素因数分解:

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

素因数の和:681

約数の個数: 48

約数和(自身を含む): 4898880

約数和(自身を除く): 2932000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 647, 760, 1294, 1520, 2588, 3040, 3235, 5176, 6470, 10352, 12293, 12940, 20704, 24586, 25880, 49172, 51760, 61465, 98344, 103520, 122930, 196688, 245860, 393376, 491720, 983440, 1966880]

約数ペア:

[(1, 1966880), (2, 983440), (4, 491720), (5, 393376), (8, 245860), (10, 196688), (16, 122930), (19, 103520), (20, 98344), (32, 61465), (38, 51760), (40, 49172), (76, 25880), (80, 24586), (95, 20704), (152, 12940), (160, 12293), (190, 10352), (304, 6470), (380, 5176), (608, 3235), (647, 3040), (760, 2588), (1294, 1520)]