39811280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 99596304

約数和(自身を除く): 59785024

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 73, 80, 85, 136, 146, 170, 272, 292, 340, 365, 401, 584, 680, 730, 802, 1168, 1241, 1360, 1460, 1604, 2005, 2482, 2920, 3208, 4010, 4964, 5840, 6205, 6416, 6817, 8020, 9928, 12410, 13634, 16040, 19856, 24820, 27268, 29273, 32080, 34085, 49640, 54536, 58546, 68170, 99280, 109072, 117092, 136340, 146365, 234184, 272680, 292730, 468368, 497641, 545360, 585460, 995282, 1170920, 1990564, 2341840, 2488205, 3981128, 4976410, 7962256, 9952820, 19905640, 39811280]

約数ペア:

[(1, 39811280), (2, 19905640), (4, 9952820), (5, 7962256), (8, 4976410), (10, 3981128), (16, 2488205), (17, 2341840), (20, 1990564), (34, 1170920), (40, 995282), (68, 585460), (73, 545360), (80, 497641), (85, 468368), (136, 292730), (146, 272680), (170, 234184), (272, 146365), (292, 136340), (340, 117092), (365, 109072), (401, 99280), (584, 68170), (680, 58546), (730, 54536), (802, 49640), (1168, 34085), (1241, 32080), (1360, 29273), (1460, 27268), (1604, 24820), (2005, 19856), (2482, 16040), (2920, 13634), (3208, 12410), (4010, 9928), (4964, 8020), (5840, 6817), (6205, 6416)]