39845120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{4447}}^1$

素因数の和:4475

約数の個数: 72

約数和(自身を含む): 109100544

約数和(自身を除く): 69255424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4447, 4480, 8894, 8960, 17788, 22235, 31129, 35576, 44470, 62258, 71152, 88940, 124516, 142304, 155645, 177880, 249032, 284608, 311290, 355760, 498064, 569216, 622580, 711520, 996128, 1138432, 1245160, 1423040, 1992256, 2490320, 2846080, 3984512, 4980640, 5692160, 7969024, 9961280, 19922560, 39845120]

約数ペア:

[(1, 39845120), (2, 19922560), (4, 9961280), (5, 7969024), (7, 5692160), (8, 4980640), (10, 3984512), (14, 2846080), (16, 2490320), (20, 1992256), (28, 1423040), (32, 1245160), (35, 1138432), (40, 996128), (56, 711520), (64, 622580), (70, 569216), (80, 498064), (112, 355760), (128, 311290), (140, 284608), (160, 249032), (224, 177880), (256, 155645), (280, 142304), (320, 124516), (448, 88940), (560, 71152), (640, 62258), (896, 44470), (1120, 35576), (1280, 31129), (1792, 22235), (2240, 17788), (4447, 8960), (4480, 8894)]