137123680

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20903}}^1$

素因数の和:20959

約数の個数: 48

約数和(自身を含む): 331871904

約数和(自身を除く): 194748224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 20903, 41806, 83612, 104515, 167224, 209030, 334448, 418060, 668896, 836120, 857023, 1672240, 1714046, 3344480, 3428092, 4285115, 6856184, 8570230, 13712368, 17140460, 27424736, 34280920, 68561840, 137123680]

約数ペア:

[(1, 137123680), (2, 68561840), (4, 34280920), (5, 27424736), (8, 17140460), (10, 13712368), (16, 8570230), (20, 6856184), (32, 4285115), (40, 3428092), (41, 3344480), (80, 1714046), (82, 1672240), (160, 857023), (164, 836120), (205, 668896), (328, 418060), (410, 334448), (656, 209030), (820, 167224), (1312, 104515), (1640, 83612), (3280, 41806), (6560, 20903)]