36080270840

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{919}}^1\times {\mathrm{1999}}^1$

素因数の和:3420

約数の個数: 64

約数和(自身を含む): 81475200000

約数和(自身を除く): 45394929160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 919, 982, 1838, 1964, 1999, 2455, 3676, 3928, 3998, 4595, 4910, 7352, 7996, 9190, 9820, 9995, 15992, 18380, 19640, 19990, 36760, 39980, 79960, 451229, 902458, 981509, 1804916, 1837081, 1963018, 2256145, 3609832, 3674162, 3926036, 4512290, 4907545, 7348324, 7852072, 9024580, 9185405, 9815090, 14696648, 18049160, 18370810, 19630180, 36741620, 39260360, 73483240, 902006771, 1804013542, 3608027084, 4510033855, 7216054168, 9020067710, 18040135420, 36080270840]

約数ペア:

[(1, 36080270840), (2, 18040135420), (4, 9020067710), (5, 7216054168), (8, 4510033855), (10, 3608027084), (20, 1804013542), (40, 902006771), (491, 73483240), (919, 39260360), (982, 36741620), (1838, 19630180), (1964, 18370810), (1999, 18049160), (2455, 14696648), (3676, 9815090), (3928, 9185405), (3998, 9024580), (4595, 7852072), (4910, 7348324), (7352, 4907545), (7996, 4512290), (9190, 3926036), (9820, 3674162), (9995, 3609832), (15992, 2256145), (18380, 1963018), (19640, 1837081), (19990, 1804916), (36760, 981509), (39980, 902458), (79960, 451229)]