100872760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81349}}^1$

素因数の和:81391

約数の個数: 32

約数和(自身を含む): 234288000

約数和(自身を除く): 133415240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 81349, 162698, 325396, 406745, 650792, 813490, 1626980, 2521819, 3253960, 5043638, 10087276, 12609095, 20174552, 25218190, 50436380, 100872760]

約数ペア:

[(1, 100872760), (2, 50436380), (4, 25218190), (5, 20174552), (8, 12609095), (10, 10087276), (20, 5043638), (31, 3253960), (40, 2521819), (62, 1626980), (124, 813490), (155, 650792), (248, 406745), (310, 325396), (620, 162698), (1240, 81349)]