80398928

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2027}}^1$

素因数の和:2139

約数の個数: 40

約数和(自身を含む): 162450912

約数和(自身を除く): 82051984

約数列:

[1, 2, 4, 8, 16, 37, 67, 74, 134, 148, 268, 296, 536, 592, 1072, 2027, 2479, 4054, 4958, 8108, 9916, 16216, 19832, 32432, 39664, 74999, 135809, 149998, 271618, 299996, 543236, 599992, 1086472, 1199984, 2172944, 5024933, 10049866, 20099732, 40199464, 80398928]

約数ペア:

[(1, 80398928), (2, 40199464), (4, 20099732), (8, 10049866), (16, 5024933), (37, 2172944), (67, 1199984), (74, 1086472), (134, 599992), (148, 543236), (268, 299996), (296, 271618), (536, 149998), (592, 135809), (1072, 74999), (2027, 39664), (2479, 32432), (4054, 19832), (4958, 16216), (8108, 9916)]