996835160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{408539}}^1$

素因数の和:408611

約数の個数: 32

約数和(自身を含む): 2279653200

約数和(自身を除く): 1282818040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 408539, 817078, 1634156, 2042695, 3268312, 4085390, 8170780, 16341560, 24920879, 49841758, 99683516, 124604395, 199367032, 249208790, 498417580, 996835160]

約数ペア:

[(1, 996835160), (2, 498417580), (4, 249208790), (5, 199367032), (8, 124604395), (10, 99683516), (20, 49841758), (40, 24920879), (61, 16341560), (122, 8170780), (244, 4085390), (305, 3268312), (488, 2042695), (610, 1634156), (1220, 817078), (2440, 408539)]