72919040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{7121}}^1$

素因数の和:7148

約数の個数: 48

約数和(自身を含む): 174987540

約数和(自身を除く): 102068500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 7121, 10240, 14242, 28484, 35605, 56968, 71210, 113936, 142420, 227872, 284840, 455744, 569680, 911488, 1139360, 1822976, 2278720, 3645952, 4557440, 7291904, 9114880, 14583808, 18229760, 36459520, 72919040]

約数ペア:

[(1, 72919040), (2, 36459520), (4, 18229760), (5, 14583808), (8, 9114880), (10, 7291904), (16, 4557440), (20, 3645952), (32, 2278720), (40, 1822976), (64, 1139360), (80, 911488), (128, 569680), (160, 455744), (256, 284840), (320, 227872), (512, 142420), (640, 113936), (1024, 71210), (1280, 56968), (2048, 35605), (2560, 28484), (5120, 14242), (7121, 10240)]