39990664

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^2\times {\mathrm{353}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 92919690

約数和(自身を除く): 52929026

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 289, 353, 392, 476, 578, 706, 833, 952, 1156, 1412, 1666, 2023, 2312, 2471, 2824, 3332, 4046, 4942, 6001, 6664, 8092, 9884, 12002, 14161, 16184, 17297, 19768, 24004, 28322, 34594, 42007, 48008, 56644, 69188, 84014, 102017, 113288, 138376, 168028, 204034, 294049, 336056, 408068, 588098, 714119, 816136, 1176196, 1428238, 2352392, 2856476, 4998833, 5712952, 9997666, 19995332, 39990664]

約数ペア:

[(1, 39990664), (2, 19995332), (4, 9997666), (7, 5712952), (8, 4998833), (14, 2856476), (17, 2352392), (28, 1428238), (34, 1176196), (49, 816136), (56, 714119), (68, 588098), (98, 408068), (119, 336056), (136, 294049), (196, 204034), (238, 168028), (289, 138376), (353, 113288), (392, 102017), (476, 84014), (578, 69188), (706, 56644), (833, 48008), (952, 42007), (1156, 34594), (1412, 28322), (1666, 24004), (2023, 19768), (2312, 17297), (2471, 16184), (2824, 14161), (3332, 12002), (4046, 9884), (4942, 8092), (6001, 6664)]