8687920

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{829}}^1$

素因数の和:973

約数の個数: 40

約数和(自身を含む): 20378160

約数和(自身を除く): 11690240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 829, 1048, 1310, 1658, 2096, 2620, 3316, 4145, 5240, 6632, 8290, 10480, 13264, 16580, 33160, 66320, 108599, 217198, 434396, 542995, 868792, 1085990, 1737584, 2171980, 4343960, 8687920]

約数ペア:

[(1, 8687920), (2, 4343960), (4, 2171980), (5, 1737584), (8, 1085990), (10, 868792), (16, 542995), (20, 434396), (40, 217198), (80, 108599), (131, 66320), (262, 33160), (524, 16580), (655, 13264), (829, 10480), (1048, 8290), (1310, 6632), (1658, 5240), (2096, 4145), (2620, 3316)]