79430440

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19661}}^1$

素因数の和:19773

約数の個数: 32

約数和(自身を含む): 180497160

約数和(自身を除く): 101066720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 19661, 39322, 78644, 98305, 157288, 196610, 393220, 786440, 1985761, 3971522, 7943044, 9928805, 15886088, 19857610, 39715220, 79430440]

約数ペア:

[(1, 79430440), (2, 39715220), (4, 19857610), (5, 15886088), (8, 9928805), (10, 7943044), (20, 3971522), (40, 1985761), (101, 786440), (202, 393220), (404, 196610), (505, 157288), (808, 98305), (1010, 78644), (2020, 39322), (4040, 19661)]