40286872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^2$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 82839240

約数和(自身を除く): 42552368

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 83, 86, 136, 166, 172, 332, 344, 664, 731, 1411, 1462, 2822, 2924, 3569, 5644, 5848, 6889, 7138, 11288, 13778, 14276, 27556, 28552, 55112, 60673, 117113, 121346, 234226, 242692, 296227, 468452, 485384, 592454, 936904, 1184908, 2369816, 5035859, 10071718, 20143436, 40286872]

約数ペア:

[(1, 40286872), (2, 20143436), (4, 10071718), (8, 5035859), (17, 2369816), (34, 1184908), (43, 936904), (68, 592454), (83, 485384), (86, 468452), (136, 296227), (166, 242692), (172, 234226), (332, 121346), (344, 117113), (664, 60673), (731, 55112), (1411, 28552), (1462, 27556), (2822, 14276), (2924, 13778), (3569, 11288), (5644, 7138), (5848, 6889)]