16328780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4831}}^1$

素因数の和:4866

約数の個数: 36

約数和(自身を含む): 37138752

約数和(自身を除く): 20809972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 4831, 9662, 19324, 24155, 48310, 62803, 96620, 125606, 251212, 314015, 628030, 816439, 1256060, 1632878, 3265756, 4082195, 8164390, 16328780]

約数ペア:

[(1, 16328780), (2, 8164390), (4, 4082195), (5, 3265756), (10, 1632878), (13, 1256060), (20, 816439), (26, 628030), (52, 314015), (65, 251212), (130, 125606), (169, 96620), (260, 62803), (338, 48310), (676, 24155), (845, 19324), (1690, 9662), (3380, 4831)]