22007920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 56648160

約数和(自身を除く): 34640240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 281, 356, 440, 445, 562, 712, 880, 890, 979, 1124, 1405, 1424, 1780, 1958, 2248, 2810, 3091, 3560, 3916, 4496, 4895, 5620, 6182, 7120, 7832, 9790, 11240, 12364, 15455, 15664, 19580, 22480, 24728, 25009, 30910, 39160, 49456, 50018, 61820, 78320, 100036, 123640, 125045, 200072, 247280, 250090, 275099, 400144, 500180, 550198, 1000360, 1100396, 1375495, 2000720, 2200792, 2750990, 4401584, 5501980, 11003960, 22007920]

約数ペア:

[(1, 22007920), (2, 11003960), (4, 5501980), (5, 4401584), (8, 2750990), (10, 2200792), (11, 2000720), (16, 1375495), (20, 1100396), (22, 1000360), (40, 550198), (44, 500180), (55, 400144), (80, 275099), (88, 250090), (89, 247280), (110, 200072), (176, 125045), (178, 123640), (220, 100036), (281, 78320), (356, 61820), (440, 50018), (445, 49456), (562, 39160), (712, 30910), (880, 25009), (890, 24728), (979, 22480), (1124, 19580), (1405, 15664), (1424, 15455), (1780, 12364), (1958, 11240), (2248, 9790), (2810, 7832), (3091, 7120), (3560, 6182), (3916, 5620), (4496, 4895)]