42987680

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6553}}^1$

素因数の和:6609

約数の個数: 48

約数和(自身を含む): 104051304

約数和(自身を除く): 61063624

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, 6553, 6560, 13106, 26212, 32765, 52424, 65530, 104848, 131060, 209696, 262120, 268673, 524240, 537346, 1048480, 1074692, 1343365, 2149384, 2686730, 4298768, 5373460, 8597536, 10746920, 21493840, 42987680]

約数ペア:

[(1, 42987680), (2, 21493840), (4, 10746920), (5, 8597536), (8, 5373460), (10, 4298768), (16, 2686730), (20, 2149384), (32, 1343365), (40, 1074692), (41, 1048480), (80, 537346), (82, 524240), (160, 268673), (164, 262120), (205, 209696), (328, 131060), (410, 104848), (656, 65530), (820, 52424), (1312, 32765), (1640, 26212), (3280, 13106), (6553, 6560)]