40480864

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 82252800

約数和(自身を除く): 41771936

約数列:

[1, 2, 4, 8, 16, 32, 67, 79, 134, 158, 239, 268, 316, 478, 536, 632, 956, 1072, 1264, 1912, 2144, 2528, 3824, 5293, 7648, 10586, 16013, 18881, 21172, 32026, 37762, 42344, 64052, 75524, 84688, 128104, 151048, 169376, 256208, 302096, 512416, 604192, 1265027, 2530054, 5060108, 10120216, 20240432, 40480864]

約数ペア:

[(1, 40480864), (2, 20240432), (4, 10120216), (8, 5060108), (16, 2530054), (32, 1265027), (67, 604192), (79, 512416), (134, 302096), (158, 256208), (239, 169376), (268, 151048), (316, 128104), (478, 84688), (536, 75524), (632, 64052), (956, 42344), (1072, 37762), (1264, 32026), (1912, 21172), (2144, 18881), (2528, 16013), (3824, 10586), (5293, 7648)]