82867120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{147977}}^1$

素因数の和:147997

約数の個数: 40

約数和(自身を含む): 220191264

約数和(自身を除く): 137324144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 147977, 295954, 591908, 739885, 1035839, 1183816, 1479770, 2071678, 2367632, 2959540, 4143356, 5179195, 5919080, 8286712, 10358390, 11838160, 16573424, 20716780, 41433560, 82867120]

約数ペア:

[(1, 82867120), (2, 41433560), (4, 20716780), (5, 16573424), (7, 11838160), (8, 10358390), (10, 8286712), (14, 5919080), (16, 5179195), (20, 4143356), (28, 2959540), (35, 2367632), (40, 2071678), (56, 1479770), (70, 1183816), (80, 1035839), (112, 739885), (140, 591908), (280, 295954), (560, 147977)]