100646720

素因数分解:

$2^6\times 5^1\times {\mathrm{409}}^1\times {\mathrm{769}}^1$

素因数の和:1195

約数の個数: 56

約数和(自身を含む): 240563400

約数和(自身を除く): 139916680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 409, 769, 818, 1538, 1636, 2045, 3076, 3272, 3845, 4090, 6152, 6544, 7690, 8180, 12304, 13088, 15380, 16360, 24608, 26176, 30760, 32720, 49216, 61520, 65440, 123040, 130880, 246080, 314521, 629042, 1258084, 1572605, 2516168, 3145210, 5032336, 6290420, 10064672, 12580840, 20129344, 25161680, 50323360, 100646720]

約数ペア:

[(1, 100646720), (2, 50323360), (4, 25161680), (5, 20129344), (8, 12580840), (10, 10064672), (16, 6290420), (20, 5032336), (32, 3145210), (40, 2516168), (64, 1572605), (80, 1258084), (160, 629042), (320, 314521), (409, 246080), (769, 130880), (818, 123040), (1538, 65440), (1636, 61520), (2045, 49216), (3076, 32720), (3272, 30760), (3845, 26176), (4090, 24608), (6152, 16360), (6544, 15380), (7690, 13088), (8180, 12304)]