23157800

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1301}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 54488700

約数和(自身を除く): 31330900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 712, 890, 1301, 1780, 2225, 2602, 3560, 4450, 5204, 6505, 8900, 10408, 13010, 17800, 26020, 32525, 52040, 65050, 115789, 130100, 231578, 260200, 463156, 578945, 926312, 1157890, 2315780, 2894725, 4631560, 5789450, 11578900, 23157800]

約数ペア:

[(1, 23157800), (2, 11578900), (4, 5789450), (5, 4631560), (8, 2894725), (10, 2315780), (20, 1157890), (25, 926312), (40, 578945), (50, 463156), (89, 260200), (100, 231578), (178, 130100), (200, 115789), (356, 65050), (445, 52040), (712, 32525), (890, 26020), (1301, 17800), (1780, 13010), (2225, 10408), (2602, 8900), (3560, 6505), (4450, 5204)]