1403025040

素因数分解:

$2^4\times 5^1\times {\mathrm{2971}}^1\times {\mathrm{5903}}^1$

素因数の和:8887

約数の個数: 40

約数和(自身を含む): 3263683968

約数和(自身を除く): 1860658928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2971, 5903, 5942, 11806, 11884, 14855, 23612, 23768, 29515, 29710, 47224, 47536, 59030, 59420, 94448, 118060, 118840, 236120, 237680, 472240, 17537813, 35075626, 70151252, 87689065, 140302504, 175378130, 280605008, 350756260, 701512520, 1403025040]

約数ペア:

[(1, 1403025040), (2, 701512520), (4, 350756260), (5, 280605008), (8, 175378130), (10, 140302504), (16, 87689065), (20, 70151252), (40, 35075626), (80, 17537813), (2971, 472240), (5903, 237680), (5942, 236120), (11806, 118840), (11884, 118060), (14855, 94448), (23612, 59420), (23768, 59030), (29515, 47536), (29710, 47224)]