13222120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10663}}^1$

素因数の和:10705

約数の個数: 32

約数和(自身を含む): 30712320

約数和(自身を除く): 17490200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10663, 21326, 42652, 53315, 85304, 106630, 213260, 330553, 426520, 661106, 1322212, 1652765, 2644424, 3305530, 6611060, 13222120]

約数ペア:

[(1, 13222120), (2, 6611060), (4, 3305530), (5, 2644424), (8, 1652765), (10, 1322212), (20, 661106), (31, 426520), (40, 330553), (62, 213260), (124, 106630), (155, 85304), (248, 53315), (310, 42652), (620, 21326), (1240, 10663)]