9997905.00000000

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{9551}}^1$

素因数の和:9577

約数の個数: 64

約数和(自身を含む): 116916480

約数和(自身を除く): 74128000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 9551, 19102, 38204, 47755, 66857, 76408, 95510, 133714, 152816, 191020, 267428, 305632, 334285, 382040, 534856, 611264, 668570, 764080, 1069712, 1222528, 1337140, 1528160, 2139424, 2674280, 3056320, 4278848, 5348560, 6112640, 8557696, 10697120, 21394240, 42788480]

約数ペア:

[(1, 42788480), (2, 21394240), (4, 10697120), (5, 8557696), (7, 6112640), (8, 5348560), (10, 4278848), (14, 3056320), (16, 2674280), (20, 2139424), (28, 1528160), (32, 1337140), (35, 1222528), (40, 1069712), (56, 764080), (64, 668570), (70, 611264), (80, 534856), (112, 382040), (128, 334285), (140, 305632), (160, 267428), (224, 191020), (280, 152816), (320, 133714), (448, 95510), (560, 76408), (640, 66857), (896, 47755), (1120, 38204), (2240, 19102), (4480, 9551)]