22277680

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{991}}^1$

素因数の和:1285

約数の個数: 40

約数和(自身を含む): 52032384

約数和(自身を除く): 29754704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 991, 1124, 1405, 1982, 2248, 2810, 3964, 4496, 4955, 5620, 7928, 9910, 11240, 15856, 19820, 22480, 39640, 79280, 278471, 556942, 1113884, 1392355, 2227768, 2784710, 4455536, 5569420, 11138840, 22277680]

約数ペア:

[(1, 22277680), (2, 11138840), (4, 5569420), (5, 4455536), (8, 2784710), (10, 2227768), (16, 1392355), (20, 1113884), (40, 556942), (80, 278471), (281, 79280), (562, 39640), (991, 22480), (1124, 19820), (1405, 15856), (1982, 11240), (2248, 9910), (2810, 7928), (3964, 5620), (4496, 4955)]