2785280

素因数分解:

$2^{15}\times 5^1\times {\mathrm{17}}^1$

素因数の和:52

約数の個数: 64

約数和(自身を含む): 7077780

約数和(自身を除く): 4292500

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1024, 1088, 1280, 1360, 2048, 2176, 2560, 2720, 4096, 4352, 5120, 5440, 8192, 8704, 10240, 10880, 16384, 17408, 20480, 21760, 32768, 34816, 40960, 43520, 69632, 81920, 87040, 139264, 163840, 174080, 278528, 348160, 557056, 696320, 1392640, 2785280]

約数ペア:

[(1, 2785280), (2, 1392640), (4, 696320), (5, 557056), (8, 348160), (10, 278528), (16, 174080), (17, 163840), (20, 139264), (32, 87040), (34, 81920), (40, 69632), (64, 43520), (68, 40960), (80, 34816), (85, 32768), (128, 21760), (136, 20480), (160, 17408), (170, 16384), (256, 10880), (272, 10240), (320, 8704), (340, 8192), (512, 5440), (544, 5120), (640, 4352), (680, 4096), (1024, 2720), (1088, 2560), (1280, 2176), (1360, 2048)]