40472908

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10399}}^1$

素因数の和:10549

約数の個数: 24

約数和(自身を含む): 81536000

約数和(自身を除く): 41063092

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 10399, 20798, 41596, 72793, 145586, 291172, 1445461, 2890922, 5781844, 10118227, 20236454, 40472908]

約数ペア:

[(1, 40472908), (2, 20236454), (4, 10118227), (7, 5781844), (14, 2890922), (28, 1445461), (139, 291172), (278, 145586), (556, 72793), (973, 41596), (1946, 20798), (3892, 10399)]