80932040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9967}}^1$

素因数の和:10014

約数の個数: 64

約数和(自身を含む): 215308800

約数和(自身を除く): 134376760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 9967, 19934, 39868, 49835, 69769, 79736, 99670, 139538, 199340, 279076, 289043, 348845, 398680, 558152, 578086, 697690, 1156172, 1395380, 1445215, 2023301, 2312344, 2790760, 2890430, 4046602, 5780860, 8093204, 10116505, 11561720, 16186408, 20233010, 40466020, 80932040]

約数ペア:

[(1, 80932040), (2, 40466020), (4, 20233010), (5, 16186408), (7, 11561720), (8, 10116505), (10, 8093204), (14, 5780860), (20, 4046602), (28, 2890430), (29, 2790760), (35, 2312344), (40, 2023301), (56, 1445215), (58, 1395380), (70, 1156172), (116, 697690), (140, 578086), (145, 558152), (203, 398680), (232, 348845), (280, 289043), (290, 279076), (406, 199340), (580, 139538), (812, 99670), (1015, 79736), (1160, 69769), (1624, 49835), (2030, 39868), (4060, 19934), (8120, 9967)]