40020400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{14293}}^1$

素因数の和:14318

約数の個数: 60

約数和(自身を含む): 109892272

約数和(自身を除く): 69871872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 14293, 28586, 57172, 71465, 100051, 114344, 142930, 200102, 228688, 285860, 357325, 400204, 500255, 571720, 714650, 800408, 1000510, 1143440, 1429300, 1600816, 2001020, 2501275, 2858600, 4002040, 5002550, 5717200, 8004080, 10005100, 20010200, 40020400]

約数ペア:

[(1, 40020400), (2, 20010200), (4, 10005100), (5, 8004080), (7, 5717200), (8, 5002550), (10, 4002040), (14, 2858600), (16, 2501275), (20, 2001020), (25, 1600816), (28, 1429300), (35, 1143440), (40, 1000510), (50, 800408), (56, 714650), (70, 571720), (80, 500255), (100, 400204), (112, 357325), (140, 285860), (175, 228688), (200, 200102), (280, 142930), (350, 114344), (400, 100051), (560, 71465), (700, 57172), (1400, 28586), (2800, 14293)]