105904240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1394

約数の個数: 80

約数和(自身を含む): 268732800

約数和(自身を除く): 162828560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 520, 632, 790, 1027, 1040, 1264, 1289, 1580, 2054, 2578, 3160, 4108, 5135, 5156, 6320, 6445, 8216, 10270, 10312, 12890, 16432, 16757, 20540, 20624, 25780, 33514, 41080, 51560, 67028, 82160, 83785, 101831, 103120, 134056, 167570, 203662, 268112, 335140, 407324, 509155, 670280, 814648, 1018310, 1323803, 1340560, 1629296, 2036620, 2647606, 4073240, 5295212, 6619015, 8146480, 10590424, 13238030, 21180848, 26476060, 52952120, 105904240]

約数ペア:

[(1, 105904240), (2, 52952120), (4, 26476060), (5, 21180848), (8, 13238030), (10, 10590424), (13, 8146480), (16, 6619015), (20, 5295212), (26, 4073240), (40, 2647606), (52, 2036620), (65, 1629296), (79, 1340560), (80, 1323803), (104, 1018310), (130, 814648), (158, 670280), (208, 509155), (260, 407324), (316, 335140), (395, 268112), (520, 203662), (632, 167570), (790, 134056), (1027, 103120), (1040, 101831), (1264, 83785), (1289, 82160), (1580, 67028), (2054, 51560), (2578, 41080), (3160, 33514), (4108, 25780), (5135, 20624), (5156, 20540), (6320, 16757), (6445, 16432), (8216, 12890), (10270, 10312)]