2887040

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 7454160

約数和(自身を除く): 4567120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 347, 416, 520, 640, 694, 832, 1040, 1388, 1664, 1735, 2080, 2776, 3470, 4160, 4511, 5552, 6940, 8320, 9022, 11104, 13880, 18044, 22208, 22555, 27760, 36088, 44416, 45110, 55520, 72176, 90220, 111040, 144352, 180440, 222080, 288704, 360880, 577408, 721760, 1443520, 2887040]

約数ペア:

[(1, 2887040), (2, 1443520), (4, 721760), (5, 577408), (8, 360880), (10, 288704), (13, 222080), (16, 180440), (20, 144352), (26, 111040), (32, 90220), (40, 72176), (52, 55520), (64, 45110), (65, 44416), (80, 36088), (104, 27760), (128, 22555), (130, 22208), (160, 18044), (208, 13880), (260, 11104), (320, 9022), (347, 8320), (416, 6940), (520, 5552), (640, 4511), (694, 4160), (832, 3470), (1040, 2776), (1388, 2080), (1664, 1735)]