8221840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9343}}^1$

素因数の和:9367

約数の個数: 40

約数和(自身を含む): 20855808

約数和(自身を除く): 12633968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 9343, 18686, 37372, 46715, 74744, 93430, 102773, 149488, 186860, 205546, 373720, 411092, 513865, 747440, 822184, 1027730, 1644368, 2055460, 4110920, 8221840]

約数ペア:

[(1, 8221840), (2, 4110920), (4, 2055460), (5, 1644368), (8, 1027730), (10, 822184), (11, 747440), (16, 513865), (20, 411092), (22, 373720), (40, 205546), (44, 186860), (55, 149488), (80, 102773), (88, 93430), (110, 74744), (176, 46715), (220, 37372), (440, 18686), (880, 9343)]