83971640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{353}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 200080800

約数和(自身を除く): 116109160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 313, 353, 380, 626, 706, 760, 1252, 1412, 1565, 1765, 2504, 2824, 3130, 3530, 5947, 6260, 6707, 7060, 11894, 12520, 13414, 14120, 23788, 26828, 29735, 33535, 47576, 53656, 59470, 67070, 110489, 118940, 134140, 220978, 237880, 268280, 441956, 552445, 883912, 1104890, 2099291, 2209780, 4198582, 4419560, 8397164, 10496455, 16794328, 20992910, 41985820, 83971640]

約数ペア:

[(1, 83971640), (2, 41985820), (4, 20992910), (5, 16794328), (8, 10496455), (10, 8397164), (19, 4419560), (20, 4198582), (38, 2209780), (40, 2099291), (76, 1104890), (95, 883912), (152, 552445), (190, 441956), (313, 268280), (353, 237880), (380, 220978), (626, 134140), (706, 118940), (760, 110489), (1252, 67070), (1412, 59470), (1565, 53656), (1765, 47576), (2504, 33535), (2824, 29735), (3130, 26828), (3530, 23788), (5947, 14120), (6260, 13414), (6707, 12520), (7060, 11894)]