12541360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 32497920

約数和(自身を除く): 19956560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 389, 403, 496, 520, 620, 778, 806, 1040, 1240, 1556, 1612, 1945, 2015, 2480, 3112, 3224, 3890, 4030, 5057, 6224, 6448, 7780, 8060, 10114, 12059, 15560, 16120, 20228, 24118, 25285, 31120, 32240, 40456, 48236, 50570, 60295, 80912, 96472, 101140, 120590, 156767, 192944, 202280, 241180, 313534, 404560, 482360, 627068, 783835, 964720, 1254136, 1567670, 2508272, 3135340, 6270680, 12541360]

約数ペア:

[(1, 12541360), (2, 6270680), (4, 3135340), (5, 2508272), (8, 1567670), (10, 1254136), (13, 964720), (16, 783835), (20, 627068), (26, 482360), (31, 404560), (40, 313534), (52, 241180), (62, 202280), (65, 192944), (80, 156767), (104, 120590), (124, 101140), (130, 96472), (155, 80912), (208, 60295), (248, 50570), (260, 48236), (310, 40456), (389, 32240), (403, 31120), (496, 25285), (520, 24118), (620, 20228), (778, 16120), (806, 15560), (1040, 12059), (1240, 10114), (1556, 8060), (1612, 7780), (1945, 6448), (2015, 6224), (2480, 5057), (3112, 4030), (3224, 3890)]