27808840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 66044160

約数和(自身を除く): 38235320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 167, 181, 184, 230, 334, 362, 460, 668, 724, 835, 905, 920, 1336, 1448, 1670, 1810, 3340, 3620, 3841, 4163, 6680, 7240, 7682, 8326, 15364, 16652, 19205, 20815, 30227, 30728, 33304, 38410, 41630, 60454, 76820, 83260, 120908, 151135, 153640, 166520, 241816, 302270, 604540, 695221, 1209080, 1390442, 2780884, 3476105, 5561768, 6952210, 13904420, 27808840]

約数ペア:

[(1, 27808840), (2, 13904420), (4, 6952210), (5, 5561768), (8, 3476105), (10, 2780884), (20, 1390442), (23, 1209080), (40, 695221), (46, 604540), (92, 302270), (115, 241816), (167, 166520), (181, 153640), (184, 151135), (230, 120908), (334, 83260), (362, 76820), (460, 60454), (668, 41630), (724, 38410), (835, 33304), (905, 30728), (920, 30227), (1336, 20815), (1448, 19205), (1670, 16652), (1810, 15364), (3340, 8326), (3620, 7682), (3841, 7240), (4163, 6680)]