201408440

素因数分解:

$2^3\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{3943}}^1$

素因数の和:5231

約数の個数: 32

約数和(自身を含む): 453638880

約数和(自身を除く): 252230440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1277, 2554, 3943, 5108, 6385, 7886, 10216, 12770, 15772, 19715, 25540, 31544, 39430, 51080, 78860, 157720, 5035211, 10070422, 20140844, 25176055, 40281688, 50352110, 100704220, 201408440]

約数ペア:

[(1, 201408440), (2, 100704220), (4, 50352110), (5, 40281688), (8, 25176055), (10, 20140844), (20, 10070422), (40, 5035211), (1277, 157720), (2554, 78860), (3943, 51080), (5108, 39430), (6385, 31544), (7886, 25540), (10216, 19715), (12770, 15772)]