140463440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1031}}^1$

素因数の和:1188

約数の個数: 80

約数和(自身を含む): 354727296

約数和(自身を除く): 214263856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 131, 208, 260, 262, 520, 524, 655, 1031, 1040, 1048, 1310, 1703, 2062, 2096, 2620, 3406, 4124, 5155, 5240, 6812, 8248, 8515, 10310, 10480, 13403, 13624, 16496, 17030, 20620, 26806, 27248, 34060, 41240, 53612, 67015, 68120, 82480, 107224, 134030, 135061, 136240, 214448, 268060, 270122, 536120, 540244, 675305, 1072240, 1080488, 1350610, 1755793, 2160976, 2701220, 3511586, 5402440, 7023172, 8778965, 10804880, 14046344, 17557930, 28092688, 35115860, 70231720, 140463440]

約数ペア:

[(1, 140463440), (2, 70231720), (4, 35115860), (5, 28092688), (8, 17557930), (10, 14046344), (13, 10804880), (16, 8778965), (20, 7023172), (26, 5402440), (40, 3511586), (52, 2701220), (65, 2160976), (80, 1755793), (104, 1350610), (130, 1080488), (131, 1072240), (208, 675305), (260, 540244), (262, 536120), (520, 270122), (524, 268060), (655, 214448), (1031, 136240), (1040, 135061), (1048, 134030), (1310, 107224), (1703, 82480), (2062, 68120), (2096, 67015), (2620, 53612), (3406, 41240), (4124, 34060), (5155, 27248), (5240, 26806), (6812, 20620), (8248, 17030), (8515, 16496), (10310, 13624), (10480, 13403)]