79891960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3452

約数の個数: 64

約数和(自身を含む): 195379200

約数和(自身を除く): 115487240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 3391, 4712, 5890, 6782, 11780, 13564, 16955, 23560, 27128, 33910, 64429, 67820, 105121, 128858, 135640, 210242, 257716, 322145, 420484, 515432, 525605, 644290, 840968, 1051210, 1288580, 1997299, 2102420, 2577160, 3994598, 4204840, 7989196, 9986495, 15978392, 19972990, 39945980, 79891960]

約数ペア:

[(1, 79891960), (2, 39945980), (4, 19972990), (5, 15978392), (8, 9986495), (10, 7989196), (19, 4204840), (20, 3994598), (31, 2577160), (38, 2102420), (40, 1997299), (62, 1288580), (76, 1051210), (95, 840968), (124, 644290), (152, 525605), (155, 515432), (190, 420484), (248, 322145), (310, 257716), (380, 210242), (589, 135640), (620, 128858), (760, 105121), (1178, 67820), (1240, 64429), (2356, 33910), (2945, 27128), (3391, 23560), (4712, 16955), (5890, 13564), (6782, 11780)]