40403456

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 80

約数和(自身を含む): 87208704

約数和(自身を除く): 46805248

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 64, 73, 92, 94, 128, 146, 184, 188, 256, 292, 368, 376, 512, 584, 736, 752, 1081, 1168, 1472, 1504, 1679, 2162, 2336, 2944, 3008, 3358, 3431, 4324, 4672, 5888, 6016, 6716, 6862, 8648, 9344, 11776, 12032, 13432, 13724, 17296, 18688, 24064, 26864, 27448, 34592, 37376, 53728, 54896, 69184, 78913, 107456, 109792, 138368, 157826, 214912, 219584, 276736, 315652, 429824, 439168, 553472, 631304, 859648, 878336, 1262608, 1756672, 2525216, 5050432, 10100864, 20201728, 40403456]

約数ペア:

[(1, 40403456), (2, 20201728), (4, 10100864), (8, 5050432), (16, 2525216), (23, 1756672), (32, 1262608), (46, 878336), (47, 859648), (64, 631304), (73, 553472), (92, 439168), (94, 429824), (128, 315652), (146, 276736), (184, 219584), (188, 214912), (256, 157826), (292, 138368), (368, 109792), (376, 107456), (512, 78913), (584, 69184), (736, 54896), (752, 53728), (1081, 37376), (1168, 34592), (1472, 27448), (1504, 26864), (1679, 24064), (2162, 18688), (2336, 17296), (2944, 13724), (3008, 13432), (3358, 12032), (3431, 11776), (4324, 9344), (4672, 8648), (5888, 6862), (6016, 6716)]