15531400

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{983}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 36604800

約数和(自身を除く): 21073400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 983, 1580, 1966, 1975, 3160, 3932, 3950, 4915, 7864, 7900, 9830, 15800, 19660, 24575, 39320, 49150, 77657, 98300, 155314, 196600, 310628, 388285, 621256, 776570, 1553140, 1941425, 3106280, 3882850, 7765700, 15531400]

約数ペア:

[(1, 15531400), (2, 7765700), (4, 3882850), (5, 3106280), (8, 1941425), (10, 1553140), (20, 776570), (25, 621256), (40, 388285), (50, 310628), (79, 196600), (100, 155314), (158, 98300), (200, 77657), (316, 49150), (395, 39320), (632, 24575), (790, 19660), (983, 15800), (1580, 9830), (1966, 7900), (1975, 7864), (3160, 4915), (3932, 3950)]