201542078680

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{7787561}}^1$

素因数の和:7788219

約数の個数: 32

約数和(自身を含む): 454170615840

約数和(自身を除く): 252628537160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 5176, 6470, 12940, 25880, 7787561, 15575122, 31150244, 38937805, 62300488, 77875610, 155751220, 311502440, 5038551967, 10077103934, 20154207868, 25192759835, 40308415736, 50385519670, 100771039340, 201542078680]

約数ペア:

[(1, 201542078680), (2, 100771039340), (4, 50385519670), (5, 40308415736), (8, 25192759835), (10, 20154207868), (20, 10077103934), (40, 5038551967), (647, 311502440), (1294, 155751220), (2588, 77875610), (3235, 62300488), (5176, 38937805), (6470, 31150244), (12940, 15575122), (25880, 7787561)]