578240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:169

約数の個数: 56

約数和(自身を含む): 1493520

約数和(自身を除く): 915280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 139, 160, 208, 260, 278, 320, 416, 520, 556, 695, 832, 1040, 1112, 1390, 1807, 2080, 2224, 2780, 3614, 4160, 4448, 5560, 7228, 8896, 9035, 11120, 14456, 18070, 22240, 28912, 36140, 44480, 57824, 72280, 115648, 144560, 289120, 578240]

約数ペア:

[(1, 578240), (2, 289120), (4, 144560), (5, 115648), (8, 72280), (10, 57824), (13, 44480), (16, 36140), (20, 28912), (26, 22240), (32, 18070), (40, 14456), (52, 11120), (64, 9035), (65, 8896), (80, 7228), (104, 5560), (130, 4448), (139, 4160), (160, 3614), (208, 2780), (260, 2224), (278, 2080), (320, 1807), (416, 1390), (520, 1112), (556, 1040), (695, 832)]