40496128

素因数分解:

$2^{10}\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:648

約数の個数: 44

約数和(自身を含む): 82240272

約数和(自身を除く): 41744144

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 284, 512, 557, 568, 1024, 1114, 1136, 2228, 2272, 4456, 4544, 8912, 9088, 17824, 18176, 35648, 36352, 39547, 71296, 72704, 79094, 142592, 158188, 285184, 316376, 570368, 632752, 1265504, 2531008, 5062016, 10124032, 20248064, 40496128]

約数ペア:

[(1, 40496128), (2, 20248064), (4, 10124032), (8, 5062016), (16, 2531008), (32, 1265504), (64, 632752), (71, 570368), (128, 316376), (142, 285184), (256, 158188), (284, 142592), (512, 79094), (557, 72704), (568, 71296), (1024, 39547), (1114, 36352), (1136, 35648), (2228, 18176), (2272, 17824), (4456, 9088), (4544, 8912)]