129460480

素因数分解:

$2^8\times 5^1\times {\mathrm{101141}}^1$

素因数の和:101162

約数の個数: 36

約数和(自身を含む): 310101372

約数和(自身を除く): 180640892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 101141, 202282, 404564, 505705, 809128, 1011410, 1618256, 2022820, 3236512, 4045640, 6473024, 8091280, 12946048, 16182560, 25892096, 32365120, 64730240, 129460480]

約数ペア:

[(1, 129460480), (2, 64730240), (4, 32365120), (5, 25892096), (8, 16182560), (10, 12946048), (16, 8091280), (20, 6473024), (32, 4045640), (40, 3236512), (64, 2022820), (80, 1618256), (128, 1011410), (160, 809128), (256, 505705), (320, 404564), (640, 202282), (1280, 101141)]