2512640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 6524448

約数和(自身を除く): 4011808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 151, 160, 208, 256, 260, 302, 320, 416, 520, 604, 640, 755, 832, 1040, 1208, 1280, 1510, 1664, 1963, 2080, 2416, 3020, 3328, 3926, 4160, 4832, 6040, 7852, 8320, 9664, 9815, 12080, 15704, 16640, 19328, 19630, 24160, 31408, 38656, 39260, 48320, 62816, 78520, 96640, 125632, 157040, 193280, 251264, 314080, 502528, 628160, 1256320, 2512640]

約数ペア:

[(1, 2512640), (2, 1256320), (4, 628160), (5, 502528), (8, 314080), (10, 251264), (13, 193280), (16, 157040), (20, 125632), (26, 96640), (32, 78520), (40, 62816), (52, 48320), (64, 39260), (65, 38656), (80, 31408), (104, 24160), (128, 19630), (130, 19328), (151, 16640), (160, 15704), (208, 12080), (256, 9815), (260, 9664), (302, 8320), (320, 7852), (416, 6040), (520, 4832), (604, 4160), (640, 3926), (755, 3328), (832, 3020), (1040, 2416), (1208, 2080), (1280, 1963), (1510, 1664)]