77877280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37441}}^1$

素因数の和:37469

約数の個数: 48

約数和(自身を含む): 198143064

約数和(自身を除く): 120265784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 37441, 74882, 149764, 187205, 299528, 374410, 486733, 599056, 748820, 973466, 1198112, 1497640, 1946932, 2433665, 2995280, 3893864, 4867330, 5990560, 7787728, 9734660, 15575456, 19469320, 38938640, 77877280]

約数ペア:

[(1, 77877280), (2, 38938640), (4, 19469320), (5, 15575456), (8, 9734660), (10, 7787728), (13, 5990560), (16, 4867330), (20, 3893864), (26, 2995280), (32, 2433665), (40, 1946932), (52, 1497640), (65, 1198112), (80, 973466), (104, 748820), (130, 599056), (160, 486733), (208, 374410), (260, 299528), (416, 187205), (520, 149764), (1040, 74882), (2080, 37441)]