22990480

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3229}}^1$

素因数の和:3331

約数の個数: 40

約数和(自身を含む): 54070200

約数和(自身を除く): 31079720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3229, 3560, 6458, 7120, 12916, 16145, 25832, 32290, 51664, 64580, 129160, 258320, 287381, 574762, 1149524, 1436905, 2299048, 2873810, 4598096, 5747620, 11495240, 22990480]

約数ペア:

[(1, 22990480), (2, 11495240), (4, 5747620), (5, 4598096), (8, 2873810), (10, 2299048), (16, 1436905), (20, 1149524), (40, 574762), (80, 287381), (89, 258320), (178, 129160), (356, 64580), (445, 51664), (712, 32290), (890, 25832), (1424, 16145), (1780, 12916), (3229, 7120), (3560, 6458)]