80396600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21157}}^1$

素因数の和:21192

約数の個数: 48

約数和(自身を含む): 196769400

約数和(自身を除く): 116372800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 21157, 42314, 84628, 105785, 169256, 211570, 401983, 423140, 528925, 803966, 846280, 1057850, 1607932, 2009915, 2115700, 3215864, 4019830, 4231400, 8039660, 10049575, 16079320, 20099150, 40198300, 80396600]

約数ペア:

[(1, 80396600), (2, 40198300), (4, 20099150), (5, 16079320), (8, 10049575), (10, 8039660), (19, 4231400), (20, 4019830), (25, 3215864), (38, 2115700), (40, 2009915), (50, 1607932), (76, 1057850), (95, 846280), (100, 803966), (152, 528925), (190, 423140), (200, 401983), (380, 211570), (475, 169256), (760, 105785), (950, 84628), (1900, 42314), (3800, 21157)]