79966360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64489}}^1$

素因数の和:64531

約数の個数: 32

約数和(自身を含む): 185731200

約数和(自身を除く): 105764840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 64489, 128978, 257956, 322445, 515912, 644890, 1289780, 1999159, 2579560, 3998318, 7996636, 9995795, 15993272, 19991590, 39983180, 79966360]

約数ペア:

[(1, 79966360), (2, 39983180), (4, 19991590), (5, 15993272), (8, 9995795), (10, 7996636), (20, 3998318), (31, 2579560), (40, 1999159), (62, 1289780), (124, 644890), (155, 515912), (248, 322445), (310, 257956), (620, 128978), (1240, 64489)]