40003080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25643}}^1$

素因数の和:25670

約数の個数: 64

約数和(自身を含む): 129245760

約数和(自身を除く): 89242680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 25643, 51286, 76929, 102572, 128215, 153858, 205144, 256430, 307716, 333359, 384645, 512860, 615432, 666718, 769290, 1000077, 1025720, 1333436, 1538580, 1666795, 2000154, 2666872, 3077160, 3333590, 4000308, 5000385, 6667180, 8000616, 10000770, 13334360, 20001540, 40003080]

約数ペア:

[(1, 40003080), (2, 20001540), (3, 13334360), (4, 10000770), (5, 8000616), (6, 6667180), (8, 5000385), (10, 4000308), (12, 3333590), (13, 3077160), (15, 2666872), (20, 2000154), (24, 1666795), (26, 1538580), (30, 1333436), (39, 1025720), (40, 1000077), (52, 769290), (60, 666718), (65, 615432), (78, 512860), (104, 384645), (120, 333359), (130, 307716), (156, 256430), (195, 205144), (260, 153858), (312, 128215), (390, 102572), (520, 76929), (780, 51286), (1560, 25643)]