7121320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5743}}^1$

素因数の和:5785

約数の個数: 32

約数和(自身を含む): 16542720

約数和(自身を除く): 9421400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 5743, 11486, 22972, 28715, 45944, 57430, 114860, 178033, 229720, 356066, 712132, 890165, 1424264, 1780330, 3560660, 7121320]

約数ペア:

[(1, 7121320), (2, 3560660), (4, 1780330), (5, 1424264), (8, 890165), (10, 712132), (20, 356066), (31, 229720), (40, 178033), (62, 114860), (124, 57430), (155, 45944), (248, 28715), (310, 22972), (620, 11486), (1240, 5743)]