31878440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1367}}^1$

素因数の和:1442

約数の個数: 64

約数和(自身を含む): 79781760

約数和(自身を除く): 47903320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 106, 110, 212, 220, 265, 424, 440, 530, 583, 1060, 1166, 1367, 2120, 2332, 2734, 2915, 4664, 5468, 5830, 6835, 10936, 11660, 13670, 15037, 23320, 27340, 30074, 54680, 60148, 72451, 75185, 120296, 144902, 150370, 289804, 300740, 362255, 579608, 601480, 724510, 796961, 1449020, 1593922, 2898040, 3187844, 3984805, 6375688, 7969610, 15939220, 31878440]

約数ペア:

[(1, 31878440), (2, 15939220), (4, 7969610), (5, 6375688), (8, 3984805), (10, 3187844), (11, 2898040), (20, 1593922), (22, 1449020), (40, 796961), (44, 724510), (53, 601480), (55, 579608), (88, 362255), (106, 300740), (110, 289804), (212, 150370), (220, 144902), (265, 120296), (424, 75185), (440, 72451), (530, 60148), (583, 54680), (1060, 30074), (1166, 27340), (1367, 23320), (2120, 15037), (2332, 13670), (2734, 11660), (2915, 10936), (4664, 6835), (5468, 5830)]