54688720

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7681}}^1$

素因数の和:7783

約数の個数: 40

約数和(自身を含む): 128596680

約数和(自身を除く): 73907960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 7681, 15362, 30724, 38405, 61448, 76810, 122896, 153620, 307240, 614480, 683609, 1367218, 2734436, 3418045, 5468872, 6836090, 10937744, 13672180, 27344360, 54688720]

約数ペア:

[(1, 54688720), (2, 27344360), (4, 13672180), (5, 10937744), (8, 6836090), (10, 5468872), (16, 3418045), (20, 2734436), (40, 1367218), (80, 683609), (89, 614480), (178, 307240), (356, 153620), (445, 122896), (712, 76810), (890, 61448), (1424, 38405), (1780, 30724), (3560, 15362), (7120, 7681)]