40809728

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 88300800

約数和(自身を除く): 47491072

約数列:

[1, 2, 4, 8, 16, 23, 29, 32, 46, 58, 64, 92, 116, 128, 184, 232, 239, 256, 368, 464, 478, 667, 736, 928, 956, 1334, 1472, 1856, 1912, 2668, 2944, 3712, 3824, 5336, 5497, 5888, 6931, 7424, 7648, 10672, 10994, 13862, 15296, 21344, 21988, 27724, 30592, 42688, 43976, 55448, 61184, 85376, 87952, 110896, 159413, 170752, 175904, 221792, 318826, 351808, 443584, 637652, 703616, 887168, 1275304, 1407232, 1774336, 2550608, 5101216, 10202432, 20404864, 40809728]

約数ペア:

[(1, 40809728), (2, 20404864), (4, 10202432), (8, 5101216), (16, 2550608), (23, 1774336), (29, 1407232), (32, 1275304), (46, 887168), (58, 703616), (64, 637652), (92, 443584), (116, 351808), (128, 318826), (184, 221792), (232, 175904), (239, 170752), (256, 159413), (368, 110896), (464, 87952), (478, 85376), (667, 61184), (736, 55448), (928, 43976), (956, 42688), (1334, 30592), (1472, 27724), (1856, 21988), (1912, 21344), (2668, 15296), (2944, 13862), (3712, 10994), (3824, 10672), (5336, 7648), (5497, 7424), (5888, 6931)]