20190812980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8389}}^1\times {\mathrm{9257}}^1$

素因数の和:17668

約数の個数: 48

約数和(自身を含む): 45672676560

約数和(自身を除く): 25481863580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8389, 9257, 16778, 18514, 33556, 37028, 41945, 46285, 83890, 92570, 109057, 120341, 167780, 185140, 218114, 240682, 436228, 481364, 545285, 601705, 1090570, 1203410, 2181140, 2406820, 77656973, 155313946, 310627892, 388284865, 776569730, 1009540649, 1553139460, 2019081298, 4038162596, 5047703245, 10095406490, 20190812980]

約数ペア:

[(1, 20190812980), (2, 10095406490), (4, 5047703245), (5, 4038162596), (10, 2019081298), (13, 1553139460), (20, 1009540649), (26, 776569730), (52, 388284865), (65, 310627892), (130, 155313946), (260, 77656973), (8389, 2406820), (9257, 2181140), (16778, 1203410), (18514, 1090570), (33556, 601705), (37028, 545285), (41945, 481364), (46285, 436228), (83890, 240682), (92570, 218114), (109057, 185140), (120341, 167780)]