28485280

素因数分解:

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

素因数の和:5789

約数の個数: 48

約数和(自身を含む): 69479424

約数和(自身を除く): 40994144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 5743, 11486, 22972, 28715, 45944, 57430, 91888, 114860, 178033, 183776, 229720, 356066, 459440, 712132, 890165, 918880, 1424264, 1780330, 2848528, 3560660, 5697056, 7121320, 14242640, 28485280]

約数ペア:

[(1, 28485280), (2, 14242640), (4, 7121320), (5, 5697056), (8, 3560660), (10, 2848528), (16, 1780330), (20, 1424264), (31, 918880), (32, 890165), (40, 712132), (62, 459440), (80, 356066), (124, 229720), (155, 183776), (160, 178033), (248, 114860), (310, 91888), (496, 57430), (620, 45944), (992, 28715), (1240, 22972), (2480, 11486), (4960, 5743)]