30642800

素因数分解:

$2^4\times 5^2\times {\mathrm{76607}}^1$

素因数の和:76625

約数の個数: 30

約数和(自身を含む): 73620288

約数和(自身を除く): 42977488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 76607, 153214, 306428, 383035, 612856, 766070, 1225712, 1532140, 1915175, 3064280, 3830350, 6128560, 7660700, 15321400, 30642800]

約数ペア:

[(1, 30642800), (2, 15321400), (4, 7660700), (5, 6128560), (8, 3830350), (10, 3064280), (16, 1915175), (20, 1532140), (25, 1225712), (40, 766070), (50, 612856), (80, 383035), (100, 306428), (200, 153214), (400, 76607)]