16817440

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1181}}^1$

素因数の和:1285

約数の個数: 48

約数和(自身を含む): 40211640

約数和(自身を除く): 23394200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1181, 1424, 1780, 2362, 2848, 3560, 4724, 5905, 7120, 9448, 11810, 14240, 18896, 23620, 37792, 47240, 94480, 105109, 188960, 210218, 420436, 525545, 840872, 1051090, 1681744, 2102180, 3363488, 4204360, 8408720, 16817440]

約数ペア:

[(1, 16817440), (2, 8408720), (4, 4204360), (5, 3363488), (8, 2102180), (10, 1681744), (16, 1051090), (20, 840872), (32, 525545), (40, 420436), (80, 210218), (89, 188960), (160, 105109), (178, 94480), (356, 47240), (445, 37792), (712, 23620), (890, 18896), (1181, 14240), (1424, 11810), (1780, 9448), (2362, 7120), (2848, 5905), (3560, 4724)]