102920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:125

約数の個数: 32

約数和(自身を含む): 241920

約数和(自身を除く): 139000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 310, 332, 415, 620, 664, 830, 1240, 1660, 2573, 3320, 5146, 10292, 12865, 20584, 25730, 51460, 102920]

約数ペア:

[(1, 102920), (2, 51460), (4, 25730), (5, 20584), (8, 12865), (10, 10292), (20, 5146), (31, 3320), (40, 2573), (62, 1660), (83, 1240), (124, 830), (155, 664), (166, 620), (248, 415), (310, 332)]