40846540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2099}}^1$

素因数の和:2254

約数の個数: 48

約数和(自身を含む): 98784000

約数和(自身を除く): 57937460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2099, 2780, 3892, 4198, 4865, 8396, 9730, 10495, 14693, 19460, 20990, 29386, 41980, 58772, 73465, 146930, 291761, 293860, 583522, 1167044, 1458805, 2042327, 2917610, 4084654, 5835220, 8169308, 10211635, 20423270, 40846540]

約数ペア:

[(1, 40846540), (2, 20423270), (4, 10211635), (5, 8169308), (7, 5835220), (10, 4084654), (14, 2917610), (20, 2042327), (28, 1458805), (35, 1167044), (70, 583522), (139, 293860), (140, 291761), (278, 146930), (556, 73465), (695, 58772), (973, 41980), (1390, 29386), (1946, 20990), (2099, 19460), (2780, 14693), (3892, 10495), (4198, 9730), (4865, 8396)]