40181120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{8969}}^1$

素因数の和:8995

約数の個数: 64

約数和(自身を含む): 109792800

約数和(自身を除く): 69611680

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, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 8969, 17938, 35876, 44845, 62783, 71752, 89690, 125566, 143504, 179380, 251132, 287008, 313915, 358760, 502264, 574016, 627830, 717520, 1004528, 1148032, 1255660, 1435040, 2009056, 2511320, 2870080, 4018112, 5022640, 5740160, 8036224, 10045280, 20090560, 40181120]

約数ペア:

[(1, 40181120), (2, 20090560), (4, 10045280), (5, 8036224), (7, 5740160), (8, 5022640), (10, 4018112), (14, 2870080), (16, 2511320), (20, 2009056), (28, 1435040), (32, 1255660), (35, 1148032), (40, 1004528), (56, 717520), (64, 627830), (70, 574016), (80, 502264), (112, 358760), (128, 313915), (140, 287008), (160, 251132), (224, 179380), (280, 143504), (320, 125566), (448, 89690), (560, 71752), (640, 62783), (896, 44845), (1120, 35876), (2240, 17938), (4480, 8969)]