100647320

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3889}}^1$

素因数の和:4547

約数の個数: 32

約数和(自身を含む): 226864800

約数和(自身を除く): 126217480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 3889, 5176, 6470, 7778, 12940, 15556, 19445, 25880, 31112, 38890, 77780, 155560, 2516183, 5032366, 10064732, 12580915, 20129464, 25161830, 50323660, 100647320]

約数ペア:

[(1, 100647320), (2, 50323660), (4, 25161830), (5, 20129464), (8, 12580915), (10, 10064732), (20, 5032366), (40, 2516183), (647, 155560), (1294, 77780), (2588, 38890), (3235, 31112), (3889, 25880), (5176, 19445), (6470, 15556), (7778, 12940)]