39976990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2381}}^1$

素因数の和:2484

約数の個数: 32

約数和(自身を含む): 76147776

約数和(自身を除く): 36170786

約数列:

[1, 2, 5, 10, 23, 46, 73, 115, 146, 230, 365, 730, 1679, 2381, 3358, 4762, 8395, 11905, 16790, 23810, 54763, 109526, 173813, 273815, 347626, 547630, 869065, 1738130, 3997699, 7995398, 19988495, 39976990]

約数ペア:

[(1, 39976990), (2, 19988495), (5, 7995398), (10, 3997699), (23, 1738130), (46, 869065), (73, 547630), (115, 347626), (146, 273815), (230, 173813), (365, 109526), (730, 54763), (1679, 23810), (2381, 16790), (3358, 11905), (4762, 8395)]