131164720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52889}}^1$

素因数の和:52933

約数の個数: 40

約数和(自身を含む): 314801280

約数和(自身を除く): 183636560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 52889, 105778, 211556, 264445, 423112, 528890, 846224, 1057780, 1639559, 2115560, 3279118, 4231120, 6558236, 8197795, 13116472, 16395590, 26232944, 32791180, 65582360, 131164720]

約数ペア:

[(1, 131164720), (2, 65582360), (4, 32791180), (5, 26232944), (8, 16395590), (10, 13116472), (16, 8197795), (20, 6558236), (31, 4231120), (40, 3279118), (62, 2115560), (80, 1639559), (124, 1057780), (155, 846224), (248, 528890), (310, 423112), (496, 264445), (620, 211556), (1240, 105778), (2480, 52889)]