487948840

素因数分解:

$2^3\times 5^1\times {\mathrm{1669}}^1\times {\mathrm{7309}}^1$

素因数の和:8989

約数の個数: 32

約数和(自身を含む): 1098693000

約数和(自身を除く): 610744160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1669, 3338, 6676, 7309, 8345, 13352, 14618, 16690, 29236, 33380, 36545, 58472, 66760, 73090, 146180, 292360, 12198721, 24397442, 48794884, 60993605, 97589768, 121987210, 243974420, 487948840]

約数ペア:

[(1, 487948840), (2, 243974420), (4, 121987210), (5, 97589768), (8, 60993605), (10, 48794884), (20, 24397442), (40, 12198721), (1669, 292360), (3338, 146180), (6676, 73090), (7309, 66760), (8345, 58472), (13352, 36545), (14618, 33380), (16690, 29236)]