30712240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29531}}^1$

素因数の和:29557

約数の個数: 40

約数和(自身を含む): 76901328

約数和(自身を除く): 46189088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 29531, 59062, 118124, 147655, 236248, 295310, 383903, 472496, 590620, 767806, 1181240, 1535612, 1919515, 2362480, 3071224, 3839030, 6142448, 7678060, 15356120, 30712240]

約数ペア:

[(1, 30712240), (2, 15356120), (4, 7678060), (5, 6142448), (8, 3839030), (10, 3071224), (13, 2362480), (16, 1919515), (20, 1535612), (26, 1181240), (40, 767806), (52, 590620), (65, 472496), (80, 383903), (104, 295310), (130, 236248), (208, 147655), (260, 118124), (520, 59062), (1040, 29531)]