40987456

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:399

約数の個数: 56

約数和(自身を含む): 85409024

約数和(自身を除く): 44421568

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 73, 124, 146, 248, 283, 292, 496, 566, 584, 992, 1132, 1168, 1984, 2263, 2264, 2336, 4526, 4528, 4672, 8773, 9052, 9056, 17546, 18104, 18112, 20659, 35092, 36208, 41318, 70184, 72416, 82636, 140368, 144832, 165272, 280736, 330544, 561472, 640429, 661088, 1280858, 1322176, 2561716, 5123432, 10246864, 20493728, 40987456]

約数ペア:

[(1, 40987456), (2, 20493728), (4, 10246864), (8, 5123432), (16, 2561716), (31, 1322176), (32, 1280858), (62, 661088), (64, 640429), (73, 561472), (124, 330544), (146, 280736), (248, 165272), (283, 144832), (292, 140368), (496, 82636), (566, 72416), (584, 70184), (992, 41318), (1132, 36208), (1168, 35092), (1984, 20659), (2263, 18112), (2264, 18104), (2336, 17546), (4526, 9056), (4528, 9052), (4672, 8773)]