138202480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{132887}}^1$

素因数の和:132913

約数の個数: 40

約数和(自身を含む): 346040352

約数和(自身を除く): 207837872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 132887, 265774, 531548, 664435, 1063096, 1328870, 1727531, 2126192, 2657740, 3455062, 5315480, 6910124, 8637655, 10630960, 13820248, 17275310, 27640496, 34550620, 69101240, 138202480]

約数ペア:

[(1, 138202480), (2, 69101240), (4, 34550620), (5, 27640496), (8, 17275310), (10, 13820248), (13, 10630960), (16, 8637655), (20, 6910124), (26, 5315480), (40, 3455062), (52, 2657740), (65, 2126192), (80, 1727531), (104, 1328870), (130, 1063096), (208, 664435), (260, 531548), (520, 265774), (1040, 132887)]