165628520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4391}}^1$

素因数の和:4466

約数の個数: 64

約数和(自身を含む): 398442240

約数和(自身を除く): 232813720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 460, 820, 920, 943, 1640, 1886, 3772, 4391, 4715, 7544, 8782, 9430, 17564, 18860, 21955, 35128, 37720, 43910, 87820, 100993, 175640, 180031, 201986, 360062, 403972, 504965, 720124, 807944, 900155, 1009930, 1440248, 1800310, 2019860, 3600620, 4039720, 4140713, 7201240, 8281426, 16562852, 20703565, 33125704, 41407130, 82814260, 165628520]

約数ペア:

[(1, 165628520), (2, 82814260), (4, 41407130), (5, 33125704), (8, 20703565), (10, 16562852), (20, 8281426), (23, 7201240), (40, 4140713), (41, 4039720), (46, 3600620), (82, 2019860), (92, 1800310), (115, 1440248), (164, 1009930), (184, 900155), (205, 807944), (230, 720124), (328, 504965), (410, 403972), (460, 360062), (820, 201986), (920, 180031), (943, 175640), (1640, 100993), (1886, 87820), (3772, 43910), (4391, 37720), (4715, 35128), (7544, 21955), (8782, 18860), (9430, 17564)]